Hypothesis
Hypothesis noun - An idea that is the starting point for making a case or conducting an investigation.
Usage example: working on the hypothesis that teenagers function better in the late morning, some high schools are starting classes later
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Synonyms for Hypothesis
Notion is a synonym for hypothesis in anticipation topic. In some cases you can use "Notion" instead a noun "Hypothesis", when it comes to topics like conjecture.
Notion
Notion noun - An idea that is believed to be true or valid without positive knowledge.
Usage example: has this naive notion that most people are basically honest
Hypothesis is a synonym for notion in anticipation topic. You can use "Hypothesis" instead a noun "Notion", if it concerns topics such as conjecture, assumption.
Mutual synonyms
Related pairs
- feeling and hypothesis
- feeling and notion
- belief and hypothesis
- belief and notion
- surmise and hypothesis
- surmise and notion
- conception and hypothesis
- conception and notion
- opinion and hypothesis
- opinion and notion
- impression and hypothesis
- impression and notion
- thought and hypothesis
- thought and notion
How words are described
| old | old hypothesis | old notion |
| nice | nice hypothesis | nice notion |
| common | common hypothesis | common notion |
| popular | popular hypothesis | popular notion |
| Other adjectives: strong, actual, entire, interesting, intriguing, classic, modern, underlying. | ||
Both words in one sentence
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One hypothesis that might account for sightings of serpentine "lake monsters" is the notion that a freshwater eel, if it failed to mature sexually, might remain in a lake or river permanently and grow much, much longer than its fellows, which migrate to the ocean to breed.
Source: The Catfish -
Literary Agent Hypothesis: At the close of Knight Templar, Simon is writing down his latest adventure "for the benefit of an author bloke I know, who has sworn to make a blood-and-thunder classic of us one day." Charters plays with the notion again in his notes for The First Saint Omnibus.
Source: Literature / The Saint
Cite this Source
Notion and Hypothesis. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/hypothesis/notion
Hypothesis & Notion. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/hypothesis/notion>.
Notion or Hypothesis. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/hypothesis/notion.
Google Ngram Viewer shows how "hypothesis" and "notion" have occurred on timeline