- Definitions|1
- Thesaurus|349
- Abbreviations|0
140 entries under noun topic. ×
| basis(law, idea, base, foundation) | |
| foundation(law, hold, block, back) | |
| groundwork(hold, block, back, informal) | |
| keystone(idea, base, element, foundation) | |
| fundamental(part, base, basic, basis) | |
| base(hold, block, back, element) | |
| fundament | |
| core | |
| foundation stone(expression, idiom, foundation, keystone) | |
| essential(element, foundation, keystone, kingpin) | |
| quoin | |
| crux | |
| essence | |
| ground(base, basis) | |
| principle(law, idea, foundation, essence) | |
| root(idea, base, essence, basis) | |
| sine qua non(expression, idiom, law, foundation) | |
| anchor(element, foundation, pillar, mainstay) | |
| footing(hold, block, back, base) | |
| heart(law, idea, foundation, essence) |
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| APA | Smart Define. (2015). cornerstone thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/cornerstone/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "cornerstone thesaurus" https://smartdefine.org/cornerstone/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, cornerstone thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/cornerstone/thesaurus/synonyms>. |
| MLA | Smart Define. "cornerstone thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/cornerstone/thesaurus/synonyms> |