Synonym des extremely reliable

consistent decent decisive dependable good honest positive predictable respectable safe sincere solid stable steady strong true trustworthy unswerving candid careful certain conscientious constant definite determined devoted faithful firm high-principled honourable honorable impeccable incorrupt loyal okay proved reputable responsible righteous sound staunch steadfast sterling sure there tried tried-and-true true-blue true-hearted trusty unequivocal unfailing unimpeachable upright veracious

loyal faithful true true-hearted tried and true true-blue devoted constant steadfast fast staunch dependable trusted trustworthy trusty dutiful unchanging unwavering unswerving dedicated committed firm stable steady unfailing patriotic allegiant ardent devout dyed-in-the-wool fanatical on one's side passionate resolute attached immovable

quality excellent valuable worthy good amazing awesome certified exceptional beautiful brilliant desirable divine elegant enviable exclusive exquisite extraordinary fantastic glorious illustrious impressive incredible invaluable magnificent marvellous outstanding perfect phenomenal premium sensational spectacular stunning super superb superior supreme wonderful accomplished admirable advanced applaudable attractive blue-ribbon bodacious bosting capital choice class classic commendable crowning deluxe distinguished dominant dynamite elite eminent estimable exemplary fabulous famous fancy fantastical fine first-class first-rate frontline grand great groovy heavenly high hot ideal immense incomparable laudable legit lofty lovely marvelous matchless mega meritorious mint neat nifty noble notable noted outrageous peerless phat piffing praiseworthy preeminent pre-eminent priceless prime primo prizewinning rare refined ripping select smashing sovereign special splendid stellar sterling striking stupendous sublime superlative supernal swell terrific tiptop top top-level topnotch top-notch transcendent tremendous unparalleled unreal unrivalled unrivaled unsurpassed vintage wicked account bang-up banner blue-chip boffo bonnie bonny boss brag brave brilliance bully bumper cool corking crackerjack cracking craftsmanship dandy dope down expertise fab fantabulous finish first-string five-star flair four-star gangbuster gangbusters gilt-edge gone hype incomparability jim-dandy keen mastery mean number one numero uno par excellence peachy peachy keen pre-eminence prize radical refinement skilfulness skill slick supremacy talent tip-top topflight topping transcendence virtuosity wizard gilt-edged high-class high-grade high-quality of high quality of the highest quality of the highest standard out-of-sight really good top-of-the-line top-of-the-range top-shelf very good world-class

responsible conscientious sound impeccable principled adult rational capable of being trusted high-principled able capable competent effective efficient qualified self-reliant upright

positive conclusive definitive irrefragable undisputable undoubted undoubting unquestioned convincing guaranteed unchallengeable undisputed categorical clear-cut complete definite exhaustive fixed incontestable incontrovertible indisputable indubitable irrefutable unambiguous uncontested undeniable unquestionable valid exact precise pure sheer fair persuasive right tangible total unalloyed unanswerable unarguable uncontradicted unqualified veritable secure hands-down as sure as eggs is eggs beyond a doubt beyond question

honest sensible credible authentic ethical honourable honorable humble level-headed righteous straight truthful veracious decent equitable genuine impartial moral reputable scrupulous sincere uncontrived unfeigned unpretentious virtuous enduring incorruptible

balanced calm collected durable lasting long-standing permanent resistant rigid safe settled solid strong substantial abiding anchored established even invariable nailed poised set stabile stalwart stout tough uniform brick-wall deep-rooted equable immutable perdurable set in stone solid as a rock stationary staying put sturdy sure together unalterable unchangeable unfluctuating unvarying well-built well-founded

accurate affectionate believable correct hard-core loving obedient realistic true to life behind one circumspect confiding on the level string along with tried

deserving respectable satisfying worthwhile aces best model pleasing winning A-1 blameless creditable incorrupt precious right-minded salt of the earth top-drawer

legitimate acceptable appropriate certain consistent justifiable lawful legal logical natural normal proper real reasonable rightful statutory accepted accredited acknowledged authorised authorized received recognised recognized sanctioned warranted admissible canonical cogent customary innocent just licit official on the up and up orthodox probable regular typical usual verifiable

authoritative mature all right always there boy scout down home fly right kosher open plausible rock saint square there true blue trustable up front

law-abiding straightforward acclaimed celebrated chivalrous esteemed forthright honoured honored knightly of good repute on the up-and-up unstained venerable

homogeneous inflexible orderly systematic consonant fated level ordered ossified plumb smooth static compatible fateful habitual incorrigible irreversible methodical monolithic of a piece symmetrical unbroken undeviating undiversified unmodifiable well-balanced well-proportioned

candid factual frank guileless ingenuous like it is literal outspoken plainspoken truth-telling unreserved

patterned changeless never-failing steady-going unfaltering unquestioning unshaken

actual decisive specific standard ultimate absolute closing completing concluding determining downright ending express final finishing flat out last limiting nailed down plain settling state-of-the-art straight out terminal terminating

compelling forceful influential powerful satisfactory telling moving swaying true-to-life believeable hopeful likely possible presumable

careful fastidious fussy meticulous painstaking rigorous strict thorough conscionable critical extremely careful fair-minded heedful minute nice particular punctilious punctual thinking twice

conceivable aboveboard colorable determinative honest to God imaginable probably seeming supposable tenable thinkable

hard-wearing hardy heavy-duty indestructible long-lasting resilient robust tenacious diuturnal impervious long-continued perduring persistent

dispassionate unperturbed all there commonsensical composed coolheaded deliberative discreet even-tempered farsighted judicious practical prudent sane self-possessed unflappable wise

respected scholarly attested authenticated circumstantiated confirmed documented learnt learned proven straight from horse's mouth supported validated verified

liege stiff tried-and-true

original bonafide bona fide for real twenty-four carat unfaked

telling the truth fair and square right as rain straight-shooting

agreeing expected same true to type

carrying the load good as one's word rocklike to be counted on

favourite favorite important main principal right-hand close intimate proved

foolproof flawless infallible sure-fire unassailable goofproof tested fail-safe faultless idiot-proof unerring

above suspicion unimpeachable above reproach guiltless having clean hands inculpable irreproachable sinless

admired appreciated beloved highly regarded prized valued well-regarded

watertight deep intellectual sober advisable consequent got it together levelheaded profound right-thinking thoughtful well-advised well-grounded

formal frequent periodic recurring repeated routine standardised standardized automatic classified flat serial accordant alternating arranged congruous cyclic harmonious in order measured mechanical momentary organised organized recurrent regulated rhythmic stated successive

no lie truehearted unaffected undistorted veridical wholehearted

anodyne benign clear harmless healthy nonviolent checked decontaminated innocuous innoxious inoffensive neutralised neutralized nonpoisonous nontoxic not dangerous risk-free riskless tame uninjurious unpolluted wholesome

physically stable

determined unshakable undaunted

religious

confidential

adept gifted masterly proficient quick skilful skilled skillful talented clever dexterous dextrous masterful multiskilled multitalented suitable useful versed very well virtuoso consummate deadly expert knowledgeable polished seasoned trained adroit all-around all-round au fait dead-on deft educated effectual errorless experienced fitted handy master on-target practiced practised right on schooled serviceable sporting spot-on stringent suited sure-handed taught tutored veteran well well-rounded workmanlike

confident easy assured cinch reassured sure of yourself at ease carefree in the bag locked on on ice sanguine self-assured self-confident shoo-in sure thing unanxious undoubtful

fly go solvent washing hanging together holding together holding up holding up in wash holding water significant standing up

intense unexcitable unruffled reserved sedate imperturbable serene serious-minded single-minded staid

serious unadulterated one hundred per cent upstanding

cautious conservative coffer lockbox strongbox calculating chary considerate gingerly guarded on safe side unadventurous wary

justified uncounterfeited well-established conforming

impregnable invincible invulnerable hard heavy impenetrable reinforced well-made fortified rock-solid strengthened hard as nails hardened inviolable unyielding airtight armoured armored bombproof cohesive concrete impassible imperishable knockabout steely toughened unattackable unbreakable well made well protected stormproof storm-resistant well defended well fortified cast-iron everlasting flourishing hard-bitten well-armed well-protected inured

of good standing well-thought-of

airworthy flightworthy flyable in good order in working order flyworthy skyworthy

on an even keel

stand-up

unequivocal ascertained confirmable demonstrable destined establishable evident having down pat inarguable known predestined provable salted away unmistakable

adamant relentless stubborn unflinching bound immobile inexorable intent obdurate persevering unbending unmovable

obvious

willing active agreeable alacritous amenable cooperative eager enthusiastic happy helpful inclined pleased prepared prone ready accommodating consenting content deliberate disposed feeling forward game one predisposed prompt voluntary cheerful compliant desirous energetic favourable favorable go along with in accord with in favour in favor intentional in the mood like-minded tractable unasked unbidden unforced well-disposed willful witting zealous

bottomless boundless eternal inexhaustible unflagging assiduous ceaseless come-through continual continuing continuous counted on delivering diligent endless rock solid surefire unlimited unrelenting

self-evident without doubt cold down pat for certain manifest no ifs ands or buts pat patent sure-enough

prominent renowned well-known famed favoured favored high-ranking in high favor popular redoubted

unbeatable apodictic efficacious inerrable inerrant omniscient undeceivable

bland gentle meaningless mild naive painless powerless simple undamaging undisruptive unhazardous unharmful controllable disarmed hurtless inoperative kind manageable nonirritating paper-tiger pussycat sanitary soft softie unobjectionable unoffensive

disinterested unprejudiced aloof condign due equal evenhanded nondiscriminatory nonpartisan objective unbiased uncolored

expeditious on time early in good time on schedule on the button on the dot on the nose seasonable timely under the wire

credential fiduciary honest-to-god presumptive

informed abreast clued-up cognizant conversant well-versed acquainted apprized briefed enlightened posted primed savvy up au courant erudite familiar in the know into know the score know what's what on top of tuned in up on up-to-date versant well-read wise to

TRUE direct on the line straight-arrow undeceptive

unmannered artless earnest heartfelt hearty undesigning unpretended

attentive hard-working industrious exacting hanging in hanging tough heart and soul into minding p's and q's playing safe walking on eggs

immortal inextinguishable perpetual unbribable undestroyable untouchable

unmistaken

arguable defensible condonable defendable excusable maintainable viable vindicable warrantable

covered protected reliant safeguarded

time-tested tested and proved tried and tested

approved creditworthy

on time in time dependable not delayed not late on schedule prompt punctual punctually timely without delay

predictable

straight-talking up-front summary bald blunt outright point-blank

unembellished documentary down-to-earth historical matter-of-fact nonfictional

high-minded morally correct above-board anti-corruption honest-to-goodness uncorrupted self-righteous

full unspoiled untainted unvarnished

extremely reserved extremely responsive extremely restless extremely rich extremely ridiculous extremely rigorous extremely relatable extremely regretful extremely rare extremely rapidly extremely radical extremely quickly