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

Continuous validation helps safeguard against potential safety and security threats such as prompt injection, denial of service, and sensitive data leakage on an ongoing basis. —Maribel Lopez, Forbes, 21 Jan. 2025

Ball has never been the type of player to seek external validation. —Julia Poe, Chicago Tribune, 17 Jan. 2025

Expressing validation is especially important during fights, when most people are fixated on being right. —Aditi Shrikant, CNBC, 15 Jan. 2025

Doors open at 1 p.m. Beer, wine and concessions will be available; validation for free parking is available for tickets from the library parking lot (across from the Main Library on Rock Street) or the parking deck next to the library on Rock Street. —Eric E. Harrison, arkansasonline.com, 15 Jan. 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