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.
The deal that puts a brand in 4,000 stores gets its final validation not in a boardroom but in a line that wraps around a booth in New Orleans. Jasmine Browley, Forbes.com, 2 July 2026 According to the company, the SAKURA-II platform completed AI benchmarking with independent validation support from Carnegie Mellon University’s Software Engineering Institute (CMU SEI). Neetika Walter, Interesting Engineering, 30 June 2026 Bates held one of the Germans prisoner after the incident; the latter was released only after negotiations with a West German diplomat, a sequence of events that Bates considered further validation of Sealand’s sovereignty. Encyclopedia Britannica, 30 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

Browse Nearby Words

Cite this Entry

“Validation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/validation. Accessed 5 Jul. 2026.

More from Merriam-Webster on validation

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster