| preliminaries(noun, practice, base, discipline, education) | |
| preliminary(noun, beginning) | |
| preparing(noun, organization, study, increase, plan) | |
| radical | |
| setting up(noun, verb, expression, phrasal verb, establishment) | |
| spadework | |
| starting point(noun, expression, idiom, cause, start) | |
| terra firma(expression, idiom, support) | |
| tower | |
| underneath(noun, base, ground, bottom, bed) | |
| underside(noun, base, ground, bottom, bed) | |
| according | |
| agent(noun, cause, reason, element, matter) | |
| alpha(noun, cause, start, beginning, opening) | |
| ancient | |
| apriorism(idea, evidence, principle) | |
| assertion(idea, evidence, principle) | |
| assumption(noun, concept, law, regulation, understanding) | |
| asylum(noun, organization, business, society, establishment) | |
| author(noun, cause, reason, element, matter) |
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| APA | Smart Define. (2015). foundation thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/foundation/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "foundation thesaurus" https://smartdefine.org/foundation/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, foundation thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/foundation/thesaurus/synonyms>. |
| MLA | Smart Define. "foundation thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/foundation/thesaurus/synonyms> |