| causative(adjective, unusual, new, fresh, novel) | |
| motivational(adjective, causative) | |
| original(adjective, cause, new, fresh, fundamental) | |
| formative(adjective, fundamental, novel, unique, innovative) | |
| decisive | |
| driving | |
| contributory(adjective, fundamental, related, underlying, contributing) | |
| generative(adjective, unusual, new, fresh, novel) | |
| germinal(adjective, cause, causative) | |
| influential(adjective, decisive, related, causative) | |
| pivotal(adjective, causative) | |
| responsible(adjective, decisive, related, causative) | |
| breaking new ground(expression, adjective, idiom, unusual, new) | |
| compelling | |
| deciding(adjective, decisive) | |
| determinative | |
| determining | |
| devising(adjective, unusual, new, fresh, novel) | |
| directive | |
| envisioning(adjective, unusual, new, fresh, novel) |
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Causal on
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| APA | Smart Define. (2015). causal thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/causal/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "causal thesaurus" https://smartdefine.org/causal/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, causal thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/causal/thesaurus/synonyms>. |
| MLA | Smart Define. "causal thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/causal/thesaurus/synonyms> |