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

With agentic checkout, an AI agent handles the entire buying step of an online purchase, from cart management to payment to confirmation, without the shopper leaving the chat window. — Lauren Schuster, Kansas City Star, 29 Oct. 2026

Agentic checkout is when an AI agent completes a purchase on a shopper’s behalf, handling the cart, payment and confirmation. — Lauren Schuster, Miami Herald, 29 Oct. 2026

There has been no confirmation from the club but reports in the English media, including the BBC, say Benjamin Sesko is expected to be out until at least January with a shin injury. — ABC News, 29 Oct. 2026

There’s no confirmation, however, on what the lineup will look like for those new shows. — Lars Brandle, Billboard, 29 Oct. 2026