imprimatur

an acceptance of something as satisfactory could not begin the project without the boss's imprimatur Synonyms approbation, blessing, favor, approval, OK (or okay)Related Words backing, cachet, endorsement (also indorsement), finalization, formalization, homologation, nod, ratification, rubber stamp, sanction, support, thumbs-up, vote; benediction, goodwill; acceptation, accession, agreement, assent, concurrence, consent; countenance, liking, satisfactionNear Antonyms refusal, rejection, repudiation; dislike, dissatisfaction; censure, condemnation, criticism, denunciation, deprecation, depreciation, disparagement, opprobrium, reprehension, reproach, reprobationAntonyms disapprobation, disapproval, disfavor