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.
Output Validation One of the most critical components of AI security is output validation. Tony Bradley, Forbes.com, 4 Apr. 2025 The filmmakers stressed that the film’s success was a validation not just of their own abilities, but the fact that a truly great movie is still enough to break into the industry. Christian Zilko, IndieWire, 3 Apr. 2025 The specifics of Musk’s climb down remain to be seen, but the fact that chatter about it is being received with such glee among Hill Republicans may be the validation that moves Trump to a hard yes on Musk’s shift. Make sense of what matters in Washington. Philip Elliott, Time, 2 Apr. 2025 As a result, brands achieve visibility of each production stage and validation of the origin of the cotton fiber tracked into their products. Sj Studio, Sourcing Journal, 31 Mar. 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 16 Apr. 2025.

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