wear in Idiom, Proverb
swear in
have a person promise to do his duty as a member of an organization or government dept. etc. The new Prime Minister was sworn in last night at the parliament.
swear in|swear|swear into
v. To have a person swear or promise to do his duty as a member or an officer of an organization, government department, or similar group.

"Swear into" is used when the name of the group is given.
Mary and Ann will be sworn into the club tonight. Fred was sworn in as class president. Many new men were sworn into the army last month. At the inauguration, the Chief Justice of the Supreme Court swore in the new President.wear in
To account an commodity of accouterment to amplitude and become added adequate through connected use. A noun or pronoun can be acclimated amid "wear" and "in." I apperceive the shoes are annealed appropriate now, but already you abrasion them in a bit they'll feel abundant better. I abhorrence cutting apparel that haven't been beat in.Learn more: wearwear in
v. To alleviate or abate some new accouterment by cutting it: That sweater will feel bigger afterwards you abrasion it in.
Learn more: wear