validation

noun

val·​i·​da·​tion ˌva-lə-ˈdā-shən How to pronounce validation (audio)
: 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.
Just as digital monitoring evolved from synthetic pings to real-user monitoring, accessibility must move from periodic audits to continuous, real-world validation. Gus Alexiou, Forbes.com, 17 Sep. 2025 Clinical validation of Apple Watch hypertension feature Apple built the new hypertension notification feature on a foundation of years of health research. Kurt Knutsson, FOXNews.com, 15 Sep. 2025 The next day, Brown took the mound and continued it, offering Oberhelman the validation every scout craves. Chandler Rome, New York Times, 15 Sep. 2025 Next, Slate will create development validation vehicles. Eileen Falkenberg-Hull, MSNBC Newsweek, 4 Sep. 2025 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 18 Sep. 2025.

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