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 of validation

• 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

In more validation of Amazon’s chip strategy, Meta said Friday its agreed to deploy at least tens of millions of Graviton cores. —Jeff Marks, CNBC, 24 Apr. 2026

In turn, the validation produced tens of tons of BHET, which will soon be converted into polyester yarns and fabrics for garments. —Alexandra Harrell, Footwear News, 24 Apr. 2026

Another goal is to move toward full validation and certification. —Georgina Jedikovska, Interesting Engineering, 24 Apr. 2026

Over the next year, the suit will continue to undergo iterative testing and refinement, including material validation for safety, durability, and compatibility with the station’s environment. —Ashley Belanger, ArsTechnica, 23 Apr. 2026

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