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.
The Free Jack Way The victory was further validation that the Free Jacks’ way of operating can lead to success. Vitas Carosella, Forbes.com, 28 June 2025 The data gathered in the program applies to ecology, weather, oceanography, soil science, biology and satellite calibration/validation research. Nathan Solis, Los Angeles Times, 27 June 2025 The desperate need for a parent’s validation summarizes all of his psychology, as well as Imogen’s. Rafaela Bassili, Vulture, 25 June 2025 There have been few validation studies using modern birds, the descendants of theropod dinosaurs. New Atlas, 24 June 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 9 Jul. 2025.

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