46 entries under basic topic. ×
| axiomatic(adjective, important, significant, original) | |
| fundamental(adjective, important, original, essential) | |
| primordial(adjective, obscure, extraordinary, superior, important) | |
| axiological(adjective, important, significant, original, essential) | |
| basal(adjective, important, significant, original, essential) | |
| bottom(adjective, important, significant, original, essential) | |
| bottom-line(important, significant, original, vital) | |
| cardinal(adjective, important, significant, original, essential) | |
| central(adjective, important, significant, original, essential) | |
| constitutional(adjective, important, significant, original, essential) | |
| constitutive(important, significant, original, vital) | |
| crucial(adjective, important, significant, original, essential) | |
| deep(original, moral, intellectual, abstract) | |
| elemental(adjective, important, significant, original, essential) | |
| elementary(adjective, important, significant, original, essential) | |
| essential(adjective, important, significant, original) | |
| first(adjective, important, significant, original, essential) | |
| foundational(adjective, important, significant, original, essential) | |
| grass-roots(adjective, important, significant, original, essential) | |
| indispensable(adjective, important, significant, original, essential) |
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| APA | Smart Define. (2015). theoretical thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/theoretical/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "theoretical thesaurus" https://smartdefine.org/theoretical/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, theoretical thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/theoretical/thesaurus/synonyms>. |
| MLA | Smart Define. "theoretical thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/theoretical/thesaurus/synonyms> |