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

Account holders could encounter unfamiliar labels, altered confirmation steps or uncertainty about whether a transaction was completed. — Goran Paun, Forbes.com, 7 Aug. 2026

Her confirmation also would mean three Republicans would be on the commission, the minimum number for a quorum. — Ted Johnson, Deadline, 7 Aug. 2026

The Louisiana senator announced his support on the Senate floor after Blanche’s confirmation was thrown into doubt over opposition from two other Republican senators, Lisa Murkowski of Alaska and Susan Collins of Maine. — Alanna Durkin Richer, Los Angeles Times, 7 Aug. 2026

The path toward confirmation for the acting Attorney General looked increasingly difficult in a Senate where Republicans hold a slim 53-47 majority. — Tiago Ventura, Time, 7 Aug. 2026