| hard fact(noun, expression, support, action, base) | |
| high point | |
| igloo | |
| important thing | |
| infrastructure(noun, support, action, base, beginning) | |
| intention | |
| justification(noun, support, action, base, beginning) | |
| keystones | |
| landmark | |
| law(noun, support, regulation, action, base) | |
| main point | |
| main thing | |
| material point | |
| maxim(noun, law, regulation, order, test) | |
| meat | |
| milestone | |
| model(noun, law, regulation, order, test) | |
| moral(noun, law, regulation, order, test) | |
| nexus(noun, support, action, base, beginning) | |
| nub |
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| APA | Smart Define. (2015). keystone thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/keystone/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "keystone thesaurus" https://smartdefine.org/keystone/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, keystone thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/keystone/thesaurus/synonyms>. |
| MLA | Smart Define. "keystone thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/keystone/thesaurus/synonyms> |