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

Shares of stablecoin issuer Circle soared in its NYSE debut today, a validation of crypto’s newfound importance to the American financial system and a symptom of investors starved for new issuances during a long IPO drought. —Liz Hoffman, semafor.com, 5 June 2025

While more validation and testing is needed, the team believes Enoch may offer experts a new tool to help investigate, correlate, and date ancient texts. —Andrew Paul, Popular Science, 4 June 2025

The diseases were later confirmed via clinical validations, through electrocardiogram and 2D echocardiograms. —Ramsha Waseem, Smithsonian Magazine, 30 May 2025

In a way, then, there’s validation in seeing another young Tigers starter pitch well enough, perhaps, to carry on a legacy. —Cody Stavenhagen, New York Times, 29 May 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