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

• 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

Franchisee validation calls that reveal dissatisfaction or thin margins. —Patrick Galleher, Forbes.com, 2 Sep. 2025

Following the validation of its net-zero and near-term targets by the Science Based Targets initiative (SBTi), the Sri Lankan conglomerate announced its commitment to reducing the total global greenhouse gas (GHG) emissions to net-zero by 2048. —Alexandra Harrell, Sourcing Journal, 2 Sep. 2025

Present your ticket to an Ohio Lottery office for validation and check processing. —Alex Perry, Cincinnati Enquirer, 30 Aug. 2025

And Creel received that validation from the Wednesday star herself when Gaga commented on the February video with two black heart emojis. —Rachel McRady, People.com, 29 Aug. 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