Assumption and Presumption

Assumption

Assumption noun - Something taken as being true or factual and used as a starting point for a course of action or reasoning.
Usage example: your argument is faulty because it's based on erroneous assumptions

Presumption is a synonym for assumption in conjecture topic. In some cases you can use "Presumption" instead a noun "Assumption", when it comes to topics like supposition, anticipation, inference, hypothesis. popular alternative

Nearby Words: assume, assumed, assumptive

Presumption

Presumption noun - Something taken as being true or factual and used as a starting point for a course of action or reasoning.
Usage example: the presumption of innocence

Assumption is a synonym for presumption in conjecture topic. You can use "Assumption" instead a noun "Presumption", if it concerns topics such as anticipation, inference, belief, supposition. archaic substitute

How words are described

natural natural assumption natural presumption
initial initial assumption initial presumption
wild wild assumption wild presumption
wrong wrong assumption wrong presumption
Other adjectives: automatic, understandable, general, above.
Cite this Source
Presumption and Assumption. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/assumption/presumption
Assumption & Presumption. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/assumption/presumption>.
Presumption or Assumption. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/assumption/presumption.
Google Ngram Viewer shows how "assumption" and "presumption" have occurred on timeline