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

57 entries under essential topic. ×

1
presumption(noun, support, action, base, beginning)
1
presupposition(noun, support, action, base, beginning)
1
principal element(noun, expression, support, action, base)
1
proof(noun, support, action, base, beginning)
1
reason(noun, support, action, base, beginning)
1
rudiment(noun, support, action, base, beginning)
1
sanction(noun, support, action, base, beginning)
1
security(noun, support, action, base, beginning)
1
source(noun, support, action, idea, base)
1
substratum(noun, support, action, base, beginning)
1
theorem(noun, support, action, base, beginning)
1
theory(noun, support, action, base, beginning)
1
underpinning(noun, support, action, base, beginning)
1
vital element(expression, foundation, kingpin, fulcrum)
1
warrant(noun, support, action, base, beginning)
0
key element(expression, foundation, kingpin, fulcrum)
0
main ingredient(expression, foundation, kingpin, fulcrum)
<123>
For more, visit Keystone on Power Thesaurus
11 years ago|6.5k views|share |citing 
APASmart Define. (2015). keystone thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/keystone/thesaurus/synonyms
ChicagoSmart Define. 2015. "keystone thesaurus" https://smartdefine.org/keystone/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, keystone thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/keystone/thesaurus/synonyms>.
MLASmart Define. "keystone thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/keystone/thesaurus/synonyms>