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

Nyota finds no comfort in sick bay, only further confirmation from Boyce, Chapel, and Erica (who phones in from her new post) that her memories do not square with the memories of those around her. — Keith Phipps, Vulture, 24 Sep. 2026

During Klomp’s confirmation hearing last week, Whitehouse said Medicare pays providers in his state 20% less than in neighboring states. — John Wilkerson, STAT, 24 Sep. 2026

Moreover, radioisotopes produced at the lab contributed to the discoveries or confirmations of superheavy elements 114 (flerovium), 115 (moscovium), 116 (livermorium), and 118 (oganesson). — Georgina Jedikovska, Interesting Engineering, 24 Sep. 2026

Her six-year term will begin following confirmation from the Senate. — Tarini Mehta, Sacbee.com, 23 Sep. 2026