validation

noun

val·​i·​da·​tion ˌva-lə-ˈdā-shən 

: an act, process, or instance of validating

especially : the determination of the degree of validity of a measuring device

Synonyms

• evidence
• proof
• testimony
• documentation
• testament
• confirmation

Examples of validation in a Sentence

I'm afraid we cannot act on your claim without validation.

Recent Examples on the Web

This moment of mainstream validation is a big milestone for any comic, though of course, McCusker doesn’t necessarily need it. —Matt Grobar, Deadline, 20 Oct. 2025

Now, my career is defined by being inducted into the Country Music Hall of Fame … This, tonight, to me, is validation. —Nancy Kruh, PEOPLE, 20 Oct. 2025

It’s been roughly a two and a half to three year journey to go from proof of concept scientific validation (DishBrain) to a commercial product (CL1). —Ameya Paleja, Interesting Engineering, 17 Oct. 2025

My poems traverse my millennial loner teenage experiences like seeking validation on my blog and escaping through movies and music every night. —Literary Hub, 17 Oct. 2025

Word History

Etymology

valid(ate) + -ation, perhaps after French validation

First Known Use

circa 1656, in the meaning defined above

Phrases Containing validation

• self-validation

Rhymes for validation

• abdication
• aberration
• abjuration
• abnegation
• abrogation
• acceptation
• acclamation
• acclimation
• accusation
• activation
• actuation
• acylation