Assume
Assume verb - To take as true or as a fact without actual proof.
Usage example: everyone assumed, wrongly, that someone else was bringing dessert
Nearby Words: assumption, assuming
Say
Say verb - To take as true or as a fact without actual proof.
Usage example: let's say, for the sake of argument, that this is true
Nearby Word: saying
Mutual synonyms
Common collocations
Both words in one sentence
- If you say "I went to UK" to someone from Kansas, they'll instantly assume that you went to the University of Kentucky.
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Rather than say "He's my brother," Lucy replies that they are not married, leaving the store employees to assume they have a sexual relationship.
Source: Incest Subtext - Bailey: *really ticked now* So let's assume that your chauffeur has gotten you to your private jet at say, noon.
Source: Derailed for Details
Cite this Source
Say and Assume. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/assume/say
Assume & Say. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/assume/say>.
Say or Assume. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/assume/say.
Google Ngram Viewer shows how "assume" and "say" have occurred on timeline