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

Courtesy of Vielight Definitive clinical trials haven’t been run yet; broader research and validation is required, and some in the field are skeptical. — Mirin Fader, New York Times, 11 Sep. 2026

Plus, some companies—namely General Motors—have found clever ways to monetize that validation. — Adam Ismail, The Drive, 10 Sep. 2026

Run small validation campaigns across separate audiences before increasing budget, compare results with your own sales data and investigate any source that performs unusually well without a clear reason. — Expert Panel®, Forbes.com, 10 Sep. 2026

For a company focused on modernizing capital-markets infrastructure, participating directly in blockchain validation represents a natural extension of its work. — Ethan M. Stone, USA Today, 9 Sep. 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