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

Abhijay Prakash, the president of Blumhouse-Atomic Monster said that the weekend is both staggering and validation of their business, which has from the beginning championed original horror movies that appeal to younger audiences, and generated over $10 billion in box office to date. —ABC News, 31 May 2026

For veterans' advocates like Juliana Mercer, executive director of nonprofit Healing Breakthrough, the administration's order represents validation for patients who have spent years pushing for broader access to alternative mental health treatments. —Brandon Gomez, CNBC, 31 May 2026

If the joy depends mostly on external validation, the business may become emotionally fragile. —Cheryl Robinson, Forbes.com, 30 May 2026

That shift is showing up clearly on the PGA Tour, where equipment validation happens in real time under the highest pressure. —Katie Ann Lehman, Footwear News, 28 May 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