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

Sites should be assessed using common criteria, similar locations should follow the same deployment pattern and validation procedures should be clearly defined. — Susan Odle, Forbes.com, 16 Sep. 2026

Big businesses commission such studies all the time, then tout the results as validation for their own policies and practices. — Business Columnist, Los Angeles Times, 16 Sep. 2026

Workplace awards and rankings provide independent validation of culture and employee experience. — Abigail Moncoeur, Hartford Courant, 15 Sep. 2026

Publication of head-to-head validation studies comparing GrimAge, iAge and GlycanAge on the same subjects 3. — Hanna Wickes, Miami Herald, 14 Sep. 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