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.
Every piece of software should go through proper review and testing, especially for things like input validation, authentication and how data is stored or transferred. Jimmie Lee, Forbes.com, 10 July 2025 In an era where validation often comes in the form of likes, shares, and algorithms, self-expression can feel like a gamble. Bryanna Symone, Essence, 10 July 2025 People pleasing is often rooted in a child’s insecurity and fear of losing external sources of validation, explains Dr. Laino. Lauryn Higgins, Parents, 7 July 2025 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 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

Browse Nearby Words

Cite this Entry

“Validation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/validation. Accessed 16 Jul. 2025.

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