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.
The plan to significantly expand on-site validations comes as federal officials threaten to cut off Medicaid funding amid accusations of significant, widespread fraud in programs administered by the agency. Alex Derosier, Twin Cities, 6 Feb. 2026 Technical validation For a Small Island Developing State (SIDS) like Barbados, energy independence is a necessity. Mrigakshi Dixit, Interesting Engineering, 5 Feb. 2026 That sort of validation underscores AlphaGenome’s role. Elie Dolgin, IEEE Spectrum, 4 Feb. 2026 While it is not accredited, the IPS strives to be no less rigorous or critical than the programs that seek such validation. Catherine Taft, Artforum, 1 Feb. 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 9 Feb. 2026.

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