Pocket Thesaurus
Antonyms of confirmation
acceptance, accepting, accord, admission, affirmation, affirming, agreement, approval, assent, attestation, authenticating, authentication, authorization, authorizing, avowal, consent, corroborating, corroboration, endorsement, evidence, go ahead, green light, nod, okay, passage, passing, proving, recognition, sanction, sanctioning, stamp of approval, substantiation, support, supporting, testament, testimonial, testimony, validating, verification, verifying, visa, witness
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