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

To determine its actual age, look for the original delinquency date, review the debt collector's validation information and compare those details with your credit reports and personal records. — Angelica Leicht, CBS News, 20 Aug. 2026

Kopel says the technology took about 10 years to develop, followed by roughly 18 months of bench, durability, and other validation testing once the design was finalized. — Shannon Cuthrell, IEEE Spectrum, 20 Aug. 2026

Additionally, completing the validation program could support future permitting, grid interconnection, commercialization and wider use. — Georgina Jedikovska, Interesting Engineering, 19 Aug. 2026

The team now plans to move from simulations toward practical device fabrication and experimental validation, eventually expanding the concept into larger programmable photonic circuits. — New Atlas, 19 Aug. 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