validation

noun

val·​i·​da·​tion ˌva-lə-ˈdā-shən 

: an act, process, or instance of validating

especially : the determination of the degree of validity of a measuring device

Synonyms

• attestation
• confirmation
• corroboration
• documentation
• evidence
• proof
• substantiation
• testament
• testimonial
• testimony
• voucher
• witness

Examples of validation in a Sentence

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

Recent Examples on the Web

Instant social gratification and self-worth validation are among the most common motivations for using dating apps. —Alyssa Goldberg, USA Today, 18 Apr. 2025

Early validation came not just from internal success, but from Snowflake itself and its other enterprise clients. —Peter High, Forbes.com, 17 Apr. 2025

But a child who feels pressured to be perfect is often driven by a fear of failure and a deep need for external validation. —Sherri Gordon, Parents, 17 Apr. 2025

Black Mirror’s most effective episodes use their high-concept premises to explore people’s hunger for connection and validation, and how our increasingly tech-forward, capitalistic world can stretch those human impulses to the limit for better or (almost always) worse. —Abby Monteil, Them., 17 Apr. 2025

Word History

Etymology

valid(ate) + -ation, perhaps after French validation

First Known Use

circa 1656, in the meaning defined above

Phrases Containing validation

• self-validation

Rhymes for validation

• abdication
• aberration
• abjuration
• abnegation
• abrogation
• acceptation
• acclamation
• acclimation
• accusation
• activation
• actuation
• acylation