Notion
Notion noun - Something imagined or pictured in the mind.
Usage example: that modernistic building does not match my notion of what a country cottage should look like
Supposition is a synonym for notion in anticipation topic. In some cases you can use "Supposition" instead a noun "Notion", when it comes to topics like conjecture, assumption, guess.
Supposition
Supposition noun - An idea that is the starting point for making a case or conducting an investigation.
Usage example: my supposition is that this grape variety, which flourishes in southern France, should do equally well here, given the similar climate
Notion is a synonym for supposition in guess topic. You can use "Notion" instead a noun "Supposition", if it concerns topics such as anticipation, belief, conjecture.
Mutual synonyms
Related pairs
How words are described
| common | common notion | common supposition |
| ridiculous | ridiculous notion | ridiculous supposition |
| weird | weird notion | weird supposition |
Cite this Source
Supposition and Notion. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/notion/supposition
Notion & Supposition. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/notion/supposition>.
Supposition or Notion. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/notion/supposition.
Google Ngram Viewer shows how "notion" and "supposition" have occurred on timeline