Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun imprimatur

1 sense of imprimatur

Sense 1
sanction, countenance, endorsement, indorsement, warrant, imprimatur -- (formal and explicit approval; "a Democrat usually gets the union's endorsement")
       => approval, commendation -- (a message expressing a favorable opinion; "words of approval seldom passed his lips")