Synonyms of validation

validation

noun

ˌva-lə-ˈdā-shən 

as in evidence

something presented in support of the truth or accuracy of a claim

I'm afraid we cannot act on your claim without validation

Synonyms & Similar Words

• evidence
• proof
• testimony
• documentation
• testament
• confirmation
• testimonial
• witness
• corroboration
• substantiation
• attestation
• document
• voucher
• certificate
• verification
• (the) goods
• identification
• demonstration
• manifestation
• exhibit
• authentication
• illustration

Antonyms & Near Antonyms

• refutation
• rebuttal
• charge
• disproof
• allegation
• assumption
• accusation
• presumption
• suspicion
• guess
• conjecture
• surmise

Example Sentences

Recent Examples of validation

Non-hormonal validation arrived in May 2023 when the FDA approved fezolinetant, sold as Veozah, for hot flashes. — Hanna Wickes, Miami Herald, 16 July 2026

Enjoy the attention, but don’t mistake visibility for validation. — Valerie Mesa, PEOPLE, 16 July 2026

Following an extensive program of engineering, validation and federal homologation, Supersport has been approved by the National Highway Traffic Safety Administration (NHTSA) for sale in the United States. — Andrew P. Collins, The Drive, 15 July 2026

Stevens’s campaign points to a recent series of digital ads from the National Republican Senatorial Committee seemingly boosting El-Sayed’s candidacy with Democratic primary voters as validation for this claim. — Jason Zengerle, New Yorker, 10 July 2026