- Definitions|0
- Thesaurus|85
- Abbreviations|1
83 entries under reason topic. ×
| leading cause(expression, importance, significance) | |
| crucial thing(expression, importance, significance) | |
| crunch point(expression, importance, significance) | |
| deciding factor(expression, importance, significance) | |
| decisive factor(expression, importance, significance) | |
| decisive point(expression, importance, significance) | |
| determinant factor(expression, importance, significance) | |
| determinative factor(expression, importance, significance) | |
| dominant cause(expression, importance, significance) | |
| dominant factor(expression, importance, significance) | |
| driving factor(expression, importance, significance) | |
| first principle(expression, importance, significance) | |
| fundamental cause(expression, importance, significance) | |
| fundamental premise(expression, importance, significance) | |
| fundamental principle(expression, importance, significance) | |
| fundamental reason(expression, importance, significance) | |
| fundamental term(expression, importance, significance) | |
| governing factor(expression, importance, significance) | |
| initial cause(expression, importance, significance) | |
| issue main reason(expression, importance, significance) |
For more, visit
Key_idea on
Power Thesaurus
| APA | Smart Define. (-0001). key idea thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/key_idea/thesaurus/synonyms |
| Chicago | Smart Define. -0001. "key idea thesaurus" https://smartdefine.org/key_idea/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define -0001, key idea thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/key_idea/thesaurus/synonyms>. |
| MLA | Smart Define. "key idea thesaurus" 30 November -0001. Web. 22 September 2026. <https://smartdefine.org/key_idea/thesaurus/synonyms> |