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

Technical analysts who study price charts often view the pattern as confirmation that short-term momentum has strengthened in relation to a stock's long-term trend. — Deena Zaidi, CNBC, 7 Oct. 2026

The testing identified the hairs as belonging to Jefferson and provided what’s likely to be the best confirmation possible of his paternity, short of exhuming the former president’s remains. — Gregory S. Schneider, Washington Post, 6 Oct. 2026

At the same time, suspicion is not confirmation, and monitoring contacts does not mean they are infected. — Krutika Kuppalli, STAT, 6 Oct. 2026

Leibowitz was appointed to the bench by President Joe Biden, but his confirmation drew significant Republican support. — Antonio María Delgado, Miami Herald, 6 Oct. 2026