119 entries under source topic. ×

1
quintessence(noun, cause, base, ground)
1
radicle(noun, cause, quick, root)
1
radix(noun, cause, quick, root)
1
rhizome(noun, cause, quick, root)
1
seed(noun, cause, connection, origin)
1
soul(noun, cause, base, ground)
1
stimulation(noun, reason, element, matter)
1
stuff(noun, cause, base, ground)
0
account(noun, reason, element, matter)
0
alpha(cause, derivation)
0
ancestor(noun, cause, connection, derivation)
0
ancestry(noun, cause, connection, derivation)
0
bedrock(noun, cause, quick, origin)
0
birth(cause, derivation)
0
blast off(expression, cause, derivation)
0
causality(noun, cause, connection, derivation)
0
commencement(cause, derivation)
0
connection(noun, cause, derivation, ancestry)
0
creation(cause, derivation)
0
dawn(cause, derivation)
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APASmart Define. (2015). mainspring thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/mainspring/thesaurus/synonyms
ChicagoSmart Define. 2015. "mainspring thesaurus" https://smartdefine.org/mainspring/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, mainspring thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/mainspring/thesaurus/synonyms>.
MLASmart Define. "mainspring thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/mainspring/thesaurus/synonyms>