validation

noun

val·​i·​da·​tion ˌva-lə-ˈdā-shən How to pronounce validation (audio)
Synonyms of validation
: 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.
Their work focuses on building self-trust and confidence, moving beyond external validation. Jodie Cook, Forbes.com, 21 June 2026 Readers were presented with a lengthy retelling of a sole critic who argues that blue zones are built on flawed demographic assumptions, questionable age validation, and statistical anomalies. Torie Bosch, STAT, 20 June 2026 Reid sees Lestat as someone searching for validation. Precious Fondren, Los Angeles Times, 20 June 2026 The effort aims to further accelerate testing, validation, and deployment of advanced reactor technologies. Aamir Khollam, Interesting Engineering, 19 June 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 29 Jun. 2026.

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