OVA Idiom

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on approval

taking a purchase home to decide if you want it I buy clothes on approval so I can return them if they don't fit.

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on approval|approval|on

adv. phr. With the understanding that the thing may be refused. Mr. Grey bought his camera on approval. The company offered to send a package of stamps on approval.

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approval

approval
see on approval; seal of approval.

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seal of approval

seal of approval
An endorsement of something or someone, as in Our candidate doesn't have the governor's seal of approval, or The new management gave the old refund policy their seal of approval. This idiom was used, and perhaps invented, as an advertising gimmick of Good Housekeeping Magazine, which gave its so-called “seal of approval” to products it endorsed; the products' packaging in turn bore a small emblem attesting to this endorsement. The noun seal here is used in the same sense as in set one's seal on.