# validation

> English word · Noun · IPA /ˌvæl.əˈdeɪ.ʃən/ · frequency rank #11,633

## Definitions
1. The act of validating something.
2. Something, such as a certificate, that validates something; attestation, authentication, confirmation, proof or verification.
3. The process whereby others confirm the validity of one's emotions or perspective.
4. The process of identifying a new prisoner's gang affiliation.

## Etymology
From Middle French validation. By surface analysis, validate + -ion.

## Easily confused with
- **variation** (https://plainspell.com/en/vs/validation-vs-variation)
- **valuation** (https://plainspell.com/en/vs/validation-vs-valuation)

## Common misspellings (15)
`avlidation`, `vaildation`, `valdiation`, `valiadtion`, `validaiton`, `validasion`, `validatino`, `validationn`, `validatoin`, `validattion`, `validdation`, `validtaion`, `vallidation`, `vlaidation`, `vvalidation`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/validation