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

• attestation
• confirmation
• corroboration
• documentation
• evidence
• proof
• substantiation
• testament
• testimonial
• testimony
• voucher
• witness

Examples of validation in a Sentence

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

Recent Examples on the Web

Furthermore, institutional validation can be a valuable signal. —Bhaskar Ahuja, Forbes.com, 29 Apr. 2025

Kronenberg explained that a higher level of service is available for companies that require post-quantum encryption, want to use their own blockchain of choice, or need to host their own validation algorithms. —Neil J. Rubenking, PC Magazine, 29 Apr. 2025

Updates continue until the count is complete, with final validations typically occurring within two to three days after election day. —Mohammed Soliman, MSNBC Newsweek, 28 Apr. 2025

No longer is Yamamoto looking for validation at the big league level. —Jack Harris, Los Angeles Times, 27 Apr. 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