validation

noun

val·​i·​da·​tion ˌva-lə-ˈdā-shən How to pronounce validation (audio)
Synonyms of validationnext
: an act, process, or instance of validating
especially : the determination of the degree of validity of a measuring device

Examples of validation in a Sentence

I'm afraid we cannot act on your claim without validation.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
If the validation succeeds, the AI has passed the test. Dimitris Tsementzis, Fortune, 14 Mar. 2026 The two companies have performed flight testing, weapons integration, and AI autonomy validation on their CCA prototype aircraft—the YFQ-42A and YFQ-44A, respectively. Chris Young, Interesting Engineering, 13 Mar. 2026 Last year, the journey for TCU was one of searching for validation. Steven Johnson, Fort Worth Star-Telegram, 12 Mar. 2026 Brown’s breakout freshman season served as motivation, not validation. Edgar Thompson, The Orlando Sentinel, 12 Mar. 2026 See All Example Sentences for validation

Word History

Etymology

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

First Known Use

circa 1656, in the meaning defined above

Time Traveler
The first known use of validation was circa 1656

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Cite this Entry

“Validation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/validation. Accessed 17 Mar. 2026.

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