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

Non-hormonal validation arrived in May 2023 when the FDA approved fezolinetant, sold as Veozah, for hot flashes. — Hanna Wickes, Miami Herald, 16 July 2026

Honeywell also views the partnership as validation of Anthem’s modular cockpit architecture. — Aamir Khollam, Interesting Engineering, 16 July 2026

Following an extensive program of engineering, validation and federal homologation, Supersport has been approved by the National Highway Traffic Safety Administration (NHTSA) for sale in the United States. — Andrew P. Collins, The Drive, 15 July 2026

The luxury beauty industry is experiencing a fundamental shift, moving from selling aspiration through marketing to prioritizing scientific validation. — Kate Hardcastle, Forbes.com, 10 July 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