Synonyms of confirm in English:

confirm


See definition of confirm

verb

1‘written records confirm the archaeological evidence’

SYNONYMS

corroborate, bear out, verify, show the truth of, prove, validate, authenticate, substantiate, give substance to, justify, vouch for, vindicate, give credence to, support, uphold, back up

ANTONYMS

contradict, repudiate

2‘he confirmed that engineers would examine the road’

SYNONYMS

affirm, reaffirm, assert, reassert, give an assurance, assure someone, repeat, say again, state again, pledge, promise, guarantee

ANTONYMS

deny

3‘his appointment as ambassador was confirmed by the President’

SYNONYMS

ratify, validate, sanction, endorse, formalize, certify, underwrite, authorize, warrant, accredit, approve, recognize, agree to, consent to, accept

ANTONYMS

revoke