# presupposition

> English word · Noun · IPA /pɹiː.sʌ.pəˈzɪ.ʃ(ə)n/ · frequency rank #78,955

## Definitions
1. An assumption made beforehand; a preliminary conjecture or speculation.
2. The act of presupposing.
3. An assumption or belief implicit in an utterance or other use of language.

## Etymology
From Middle French présupposition, from Latin praesuppositio, from the past participle stem of praesuppōnere (“to presuppose”).

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