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 of validation

• evidence
• proof
• testimony
• documentation
• testament
• confirmation

Examples of validation in a Sentence

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

Recent Examples on the Web

Williams talks now like someone who isn’t chasing validation. —Okla Jones, Essence, 16 Dec. 2025

For Google, Anthropic's bet on TPUs is exactly the kind of validation investors have been rewarding, as Wall Street increasingly ties Alphabet's stock run-up to clear demand for its in-house AI chips. —Kif Leswing,mackenzie Sigalos, CNBC, 12 Dec. 2025

Following this project, the GSL plans to open its doors to the wider industry, inviting other battery manufacturers to apply for independent testing and validation to meet the nation’s growing energy needs. —Aman Tripathi, Interesting Engineering, 11 Dec. 2025

That future will require long trials and extensive validation, but the path now looks more achievable. —Kurt Knutsson, FOXNews.com, 10 Dec. 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