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

There was never confirmation if these ransom notes were authentic, but those involved with the case believed at least these two might have been. — Lizzie Lanuza, StyleCaster, 15 Oct. 2026

To date, the available evidence from FDE projects falls short of confirmation. — Barbara Booth, CNBC, 15 Oct. 2026

The announcement was public confirmation of what nearly everyone inside Rocket Lab and the wider space industry already knew. — Stephen Clark, ArsTechnica, 15 Oct. 2026

But this preview also provided further confirmation of how much Starlink deployment can vary by aircraft type. — Rob Pegoraro, PC Magazine, 15 Oct. 2026