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.
LinkedIn users waste time seeking validation without a clear strategy. Jodie Cook, Forbes.com, 10 May 2026 Even being nominated had been validation for her decision years ago to get into teaching; winning is just further proof. Joseph States, Chicago Tribune, 8 May 2026 That’s the final major development stage before PVT, or production validation test, which involves making early mass-production units. Bloomberg, Mercury News, 8 May 2026 Perhaps the greatest validation came when other teams began adopting the postgame concert concept. Andy Strasberg, San Diego Union-Tribune, 8 May 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 11 May. 2026.

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