Cause
Cause noun - Someone or something responsible for a result.
Usage example: the much-debated causes of the American Civil War
Reason is a synonym for cause in event topic. In some cases you can use "Reason" instead a noun "Cause", when it comes to topics like basis, aim, start, foundation. popular alternative
Reason
Reason noun - Something (as a belief) that serves as the basis for another thing.
Usage example: a firm belief that we are here on earth to help others is the reason for her tireless volunteer work
Cause is a synonym for reason in intention topic. You can use "Cause" instead the word "Reason" as a noun or a verb, if it concerns topics such as event, basis, start, foundation. popular alternative
Mutual synonyms
How words are described
| good | good cause | good reason |
| clear | clear cause | clear reason |
| exact | exact cause | exact reason |
| particular | particular cause | particular reason |
| Other adjectives: common, true, valid, likely, obvious, actual, entire, real, big, little, main, major, sole, possible, apparent, primary, unknown, different, biggest. | ||
Common collocations
Both words in one sentence
- In one book, Culhwch mocks another character using the Latin phrase "cassus belli" (reason/cause for war) by saying "cow's belly".
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Josh's period of Demonic Possession and apparent vampire tendencies are played incredibly ambiguously, with no real attempt to define their cause or the reason for their resolution.
Source: Non Sequitur -
The cause and reason of the amnesia varies from game to game, and are a crucial plot point for each of them.
Source: Visual Novel / Yarudora
Cite this Source
Reason and Cause. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/cause/reason
Cause & Reason. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/cause/reason>.
Reason or Cause. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/cause/reason.
Google Ngram Viewer shows how "cause" and "reason" have occurred on timeline