accreditEnglishOxford American Thesaurusaccredit verb 1 he was accredited with being one of the world's fastest sprinters: recognize as, credit with; have something ascribed to one, have something attributed to one, receive the credit for, be given the credit for. 2 the discovery of distillation is usually accredited to the Arabs: ascribe, attribute, chalk up; lay at the door of. 3 professional bodies accredit these research degrees: recognize, license, authorize, approve, certify, warrant, empower, depute, endorse, sanction, vouch for, put one's seal of approval on, appoint. ▷antonyms ban.