# fiat

> English word · Noun · IPA /ˈfaɪæt/ · frequency rank #12,420

## Definitions
1. An arbitrary or authoritative command or order to do something; an effectual decree.
2. Authorization, permission or (official) sanction.
3. A warrant of a judge for certain processes.
4. An authority for certain proceedings given by the Lord Chancellor's signature.
5. (Pertaining to) fiat currency.

## Etymology
From Latin fīat (“let it be done”).

## Easily confused with
- **fit** (https://plainspell.com/en/vs/fiat-vs-fit)
- **fix** (https://plainspell.com/en/vs/fiat-vs-fix)
- **fig** (https://plainspell.com/en/vs/fiat-vs-fig)
- **fin** (https://plainspell.com/en/vs/fiat-vs-fin)
- **FLA** (https://plainspell.com/en/vs/fiat-vs-fla)
- **fir** (https://plainspell.com/en/vs/fiat-vs-fir)
- **fil** (https://plainspell.com/en/vs/fiat-vs-fil)
- **FSA** (https://plainspell.com/en/vs/fiat-vs-fsa)
- **fra** (https://plainspell.com/en/vs/fiat-vs-fra)
- **fic** (https://plainspell.com/en/vs/fiat-vs-fic)
- **FTA** (https://plainspell.com/en/vs/fiat-vs-fta)
- **FIS** (https://plainspell.com/en/vs/fiat-vs-fis)
- **fib** (https://plainspell.com/en/vs/fiat-vs-fib)
- **fut** (https://plainspell.com/en/vs/fiat-vs-fut)
- **fie** (https://plainspell.com/en/vs/fiat-vs-fie)
- **find** (https://plainspell.com/en/vs/fiat-vs-find)
- **five** (https://plainspell.com/en/vs/fiat-vs-five)
- **fire** (https://plainspell.com/en/vs/fiat-vs-fire)
- **fine** (https://plainspell.com/en/vs/fiat-vs-fine)
- **film** (https://plainspell.com/en/vs/fiat-vs-film)

## Common misspellings (4)
`ffiat`, `fiatt`, `fita`, `ifat`

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