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.
Sixta said this validation from her school community felt unreal in the best way. Ilana Arougheti updated October 7, Kansas City Star, 7 Oct. 2025 Final testing and validation are underway, with plans for full production at JCB’s Rocester factory in Staffordshire in 2026. Sujita Sinha, Interesting Engineering, 3 Oct. 2025 For Miami, this is about validation. D’joumbarey A. Moreau, Miami Herald, 2 Oct. 2025 Meanwhile, Jupiter in Cancer brings expansion and a sense of emotional validation, especially when regarding themes of family, nourishment and security. Valerie Mesa, PEOPLE, 1 Oct. 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 10 Oct. 2025.

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