85 entries under source topic. ×
| infrastructure(noun, organization, support, action, cause) | |
| justification(noun, support, action, base, beginning) | |
| law(noun, support, action, base, beginning) | |
| mainspring(cause, idea, standard, essence) | |
| motive(noun, cause, start, idea, base) | |
| occasion(cause, pass, origin, stage) | |
| origin(cause, heart, center, nucleus) | |
| postulate(noun, support, action, base, beginning) | |
| premise(noun, support, action, base, beginning) | |
| presumption(noun, support, action, base, beginning) | |
| presupposition(noun, support, action, base, beginning) | |
| principal element(noun, expression, support, action, base) | |
| proof(noun, support, action, base, beginning) | |
| quick(noun, body, cause, start, base) | |
| reason(noun, support, action, cause, start) | |
| rock bottom(expression, cause, origin) | |
| rudiment(noun, support, action, base, beginning) | |
| sanction(noun, support, action, base, beginning) | |
| seat(noun, cause, start, base, beginning) | |
| security(noun, support, action, base, beginning) |
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| APA | Smart Define. (2015). crux thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/crux/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "crux thesaurus" https://smartdefine.org/crux/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, crux thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/crux/thesaurus/synonyms>. |
| MLA | Smart Define. "crux thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/crux/thesaurus/synonyms> |