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

Synonyms of validation

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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.
Before making any payment, verify who has the legal authority to collect, request debt validation if necessary and keep detailed records of every communication. — Angelica Leicht, CBS News, 6 Aug. 2026 There will be interesting developments as newer models and agentic systems enter validation-heavy areas, but for now, CIOs should be careful. — Harini Gopalakrishnan, Forbes.com, 6 Aug. 2026 More than hardware The latest validation also expands AEye’s broader relationship with NVIDIA. — Aamir Khollam, Interesting Engineering, 5 Aug. 2026 Changing the supplier of a tiny rubber stopper after a drug is approved requires the developer to run extensive validation testing that can take two to three years and cost millions of dollars, introducing regulatory risk for no functional gain. — Harvey Stober, CNBC, 5 Aug. 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

Phrases Containing validation

Rhymes for validation

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Browse Nearby Words

validate
validation
validatory
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Cite this Entry

“Validation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/validation. Accessed 8 Aug. 2026.

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More from Merriam-Webster on validation

Nglish: Translation of validation for Spanish Speakers

Britannica.com: Encyclopedia article about validation

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