- Definitions|1
- Thesaurus|349
- Abbreviations|0
140 entries under noun topic. ×
| brass tacks(expression, law, foundation, basic) | |
| coal and ice(expression, idiom, law, foundation) | |
| cornerstones | |
| essential part(expression, law, foundation, basic) | |
| foundation-stone | |
| house | |
| joist(foundation, brace, prop, scaffold) | |
| marrow | |
| necessity | |
| quiddity | |
| quintessence | |
| scaffold(foundation, brace, prop, stanchion) | |
| significance | |
| sill | |
| soul | |
| spadework | |
| spirit | |
| supposition | |
| vital element(expression, foundation, keystone, kingpin) | |
| wedge(basis, keystone, bedrock) |
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| APA | Smart Define. (2015). cornerstone thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/cornerstone/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "cornerstone thesaurus" https://smartdefine.org/cornerstone/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, cornerstone thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/cornerstone/thesaurus/synonyms>. |
| MLA | Smart Define. "cornerstone thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/cornerstone/thesaurus/synonyms> |