Pocket Thesaurus
Synonyms of confirm
certify, uphold, affirm, verify, explain, substantiate, back, sign, corroborate, establish, endorse, approve, support, attest, buy, okay, debunk, underpin, bless, subscribe, vouch, settle, authenticate, sanction, warrant, check, witness, justify, bear out, check out, thumbs up, double-check, give green light, give high sign, give stamp of approval, give the go-ahead, give the nod, lap up, make good, make sure, rubber-stamp, sign off on, size up
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