- Definitions|1
- Thesaurus|448
- Abbreviations|0
85 entries under source topic. ×
| foundation(noun, organization, support, hold, cause) | |
| base(noun, organization, support, action, hold) | |
| groundwork(noun, organization, support, hold, cause) | |
| basis(noun, support, action, cause, start) | |
| support(noun, organization, support, action, stay) | |
| bottom(noun, support, cause, start, substance) | |
| footing(noun, organization, support, action, hold) | |
| backing(noun, verb, adjective, support, action) | |
| bedrock(noun, support, action, cause, start) | |
| infrastructure(noun, organization, support, action, cause) | |
| ground(noun, support, cause, start, substance) | |
| root(noun, organization, support, action, cause) | |
| substratum(noun, support, action, hold, cause) | |
| principle(noun, support, action, base, beginning) | |
| fundamental(noun, support, action, cause, start) | |
| seat(noun, support, cause, start, reason) | |
| reason(noun, support, action, cause, start) | |
| rock bottom(expression, cause, quick, origin) | |
| rudiment(noun, support, action, base, beginning) | |
| action(noun, support, base, beginning) |
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| APA | Smart Define. (2015). underpinning thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/underpinning/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "underpinning thesaurus" https://smartdefine.org/underpinning/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, underpinning thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/underpinning/thesaurus/synonyms>. |
| MLA | Smart Define. "underpinning thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/underpinning/thesaurus/synonyms> |