1
crow
1
crowbar
1
crux(noun, cause, idea, standard, source)
1
derivation(noun, cause, connection, source, origin)
1
doer(noun, reason, element, matter, source)
1
effectuation(noun, cause)
1
elicitation(noun, cause)
1
end(noun, cause, reason, object, element)
1
enforcement(noun, cause)
1
essence(noun, cause, idea, base, source)
1
essentiality(noun, cause, base, source, ground)
1
evocation(noun, cause)
1
execution(noun, cause)
1
explanation(noun, reason, element, matter, source)
1
font
1
force(noun, cause)
1
fount
1
generation(noun, cause)
1
genesis(noun, cause, reason, element, matter)
1
germ(noun, cause, connection, source, origin)
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APASmart Define. (2015). mainspring thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/mainspring/thesaurus/synonyms
ChicagoSmart Define. 2015. "mainspring thesaurus" https://smartdefine.org/mainspring/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, mainspring thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/mainspring/thesaurus/synonyms>.
MLASmart Define. "mainspring thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/mainspring/thesaurus/synonyms>