Synonyms|341Antonyms|3|Broader|2Narrower|3Related|106

52 entries under beginning topic. ×

9
foundation(noun, base, source, essential)
8
backbone(noun, support, action, base)
8
basis(noun, law, regulation, action, idea)
8
principle(noun, support, action, idea, base)
5
core(noun, support, action, idea, base)
5
essence(noun, support, action, idea, base)
5
fundamental(noun, law, support, regulation, action)
5
heart(noun, support, action, idea, base)
5
support(noun, action, base, source)
3
keynote(noun, law, support, regulation, action)
3
root(noun, support, action, idea, base)
2
base(noun, support, action, source)
2
crux(noun, support, action, idea, base)
2
essential(noun, support, action, base)
2
bedrock(noun, support, action, base)
2
data(noun, support, action, base)
1
action(noun, support, base, source)
1
antecedent(noun, support, action, base)
1
assumption(noun, support, action, base)
1
authority(noun, support, action, base)
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APASmart Define. (2015). keystone thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/keystone/thesaurus/synonyms
ChicagoSmart Define. 2015. "keystone thesaurus" https://smartdefine.org/keystone/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, keystone thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/keystone/thesaurus/synonyms>.
MLASmart Define. "keystone thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/keystone/thesaurus/synonyms>