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

The Maverick Award was a validation. —Nick Paumgarten, New Yorker, 4 May 2026

Governance must be architectural, with checkpoints on the highest-leverage decisions, audit logs across all agent actions, and validation layers before execution. —Jeffrey Sonnenfeld, Fortune, 2 May 2026

Use in soft robotics Collaborative efforts with mechanics and molecular alignment experts enabled the validation and prediction of these materials’ behaviors through advanced X-ray scattering. —Mrigakshi Dixit, Interesting Engineering, 1 May 2026

An internal review confirmed all protocols were followed, and the district has pledged a more stringent eligibility validation process. —Fort Worth Star-Telegram, 1 May 2026

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