- Definitions|1
- Thesaurus|98
- Abbreviations|0
33 entries under noun topic. ×
| foundation | |
| fundamentals | |
| ground | |
| grounding | |
| groundwork | |
| land | |
| origin | |
| reason | |
| rudiment | |
| soil | |
| speculation | |
| supposition | |
| theory |
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| APA | Smart Define. (2015). principia thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/principia/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "principia thesaurus" https://smartdefine.org/principia/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, principia thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/principia/thesaurus/synonyms>. |
| MLA | Smart Define. "principia thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/principia/thesaurus/synonyms> |