Fact
Proposition
Proposition noun - An idea that is the starting point for making a case or conducting an investigation.
Usage example: started the discussion with the simple proposition that no one ever does anything out of pure altruism
Fact is an antonym for proposition.
How words are described
| good | good fact | good proposition |
| similar | similar fact | similar proposition |
| disturbing | disturbing fact | disturbing proposition |
| simple | simple fact | simple proposition |
| Other adjectives: hard, interesting, above, different. | ||
Both words in one sentence
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Jan enjoys Herman's proposition for sex despite the fact that he's a Dirty Old Man and she's underage.
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And all of this ignores the fact that silver simply costs a lot more than lead does, making silver bullets a rather costly proposition.
Source: Silver Bullet -
Actually implementing such a system is of course a tricky proposition, given the fact your targets can do things like erase your memories or blow up tanks by pointing at them, and depends on whether you're registering super humans or super heroes.
Source: Super Registration Act
Cite this Source
Proposition and Fact. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fact/proposition
Fact & Proposition. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fact/proposition>.
Proposition or Fact. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fact/proposition.
Google Ngram Viewer shows how "fact" and "proposition" have occurred on timeline