# assumption

> English word · Noun · IPA /əˈsʌm(p).ʃ(ə)n/ · frequency rank #6,328

## Definitions
1. The act of assuming, or taking to or upon oneself; the act of taking up or adopting.
2. The act of taking for granted, or supposing a thing without proof; a supposition; an unwarrantable claim.
3. The thing supposed; a postulate, or proposition assumed; a supposition.
4. The minor or second proposition in a categorical syllogism.
5. The taking of a person up into heaven.
6. A festival in honor of the ascent of the Virgin Mary into heaven, celebrated on 15 August.
7. Assumptio.

## Etymology
From Middle English assumpcioun, from Medieval Latin assumptio (“a taking up (into heaven)”) and Latin assumptio (“a taking up, adoption, the minor proposition of a syllogism”). Doublet of assumptio; see assume.

## Common misspellings (14)
`assmuption`, `assummption`, `assumpiton`, `assumpption`, `assumpsion`, `assumptino`, `assumptionn`, `assumptoin`, `assumpttion`, `assumtpion`, `assupmtion`, `asumption`, `asusmption`, `sasumption`

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