- Definitions|2
- Thesaurus|2.2k
- Abbreviations|0
89 entries under source topic. ×
| essential(noun, adjective, support, action, characteristic) | |
| principal(noun, adjective, body, material, important) | |
| key(noun, adjective, important, head, significant) | |
| axiom(noun, law, support, regulation, action) | |
| basis(noun, law, regulation, action, drop) | |
| principle(noun, law, support, action, drop) | |
| base(noun, adjective, support, regulation, action) | |
| rudiment(noun, support, action, part, base) | |
| bottom(noun, adjective, cause, start, base) | |
| law(noun, support, regulation, action, order) | |
| foundation(noun, law, regulation, part, cause) | |
| core(noun, adjective, support, action, cause) | |
| theorem(noun, law, support, regulation, action) | |
| center(noun, adjective, support, action, cause) | |
| heart(noun, support, action, part, cause) | |
| bedrock(noun, support, action, cause, start) | |
| beginning(noun, adjective, start, simple, plain) | |
| groundwork(noun, cause, base, quick) | |
| postulate(noun, verb, law, support, regulation) | |
| root(noun, adjective, support, action, drop) |
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| APA | Smart Define. (2016). fundamental thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/fundamental/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fundamental thesaurus" https://smartdefine.org/fundamental/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, fundamental thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/fundamental/thesaurus/synonyms>. |
| MLA | Smart Define. "fundamental thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/fundamental/thesaurus/synonyms> |