Synonyms of confirmation

confirmation

noun

ˌkän-fər-ˈmā-shən 

as in evidence

something presented in support of the truth or accuracy of a claim

regards the finding as a confirmation of the theory that extraterrestrial impacts were responsible for the demise of the dinosaurs

Synonyms & Similar Words

• evidence
• proof
• testimony
• documentation
• testament
• validation
• testimonial
• witness
• corroboration
• substantiation
• attestation
• voucher
• document
• certificate
• verification
• identification
• (the) goods
• demonstration
• manifestation
• exhibit
• authentication
• illustration

Antonyms & Near Antonyms

• refutation
• rebuttal
• charge
• allegation
• accusation
• disproof
• assumption
• suspicion
• presumption
• guess
• conjecture
• surmise

Example Sentences

Recent Examples of confirmation

Fans took Walsh’s slipup as confirmation that seasons 2 and 3 might be filmed together, or that season 2 would be split in half. — Tiffany Kelly, Entertainment Weekly, 13 Aug. 2026

Authorities did not release the name of the person killed pending confirmation of their identity and notification of their next of kin. — Rick Hurd, Mercury News, 13 Aug. 2026

Think of it Like Your Birthday Menopause itself, Rabatin soon learned, is just a one-time confirmation, not an ongoing state. — Beth Sobol, Flow Space, 12 Aug. 2026

Fellow neocloud CoreWeave's results Tuesday night provided perhaps the most important confirmation, according to Cramer. — Alexa Lomonaco, CNBC, 12 Aug. 2026