85 entries under source topic. ×

1
seed(noun, cause, start, base, beginning)
1
starting point(noun, expression, cause, start, base)
1
stuff(noun, quality, cause, start, character)
1
substratum(noun, support, action, cause, start)
1
support(noun, action, point, base, beginning)
1
theorem(noun, support, action, base, beginning)
1
theory(noun, support, action, base, beginning)
1
underpinning(noun, support, action, cause, start)
1
warrant(noun, support, action, base, beginning)
0
beginning(noun, start, base, foundation)
0
beginnings(cause, origin)
0
derivation(cause, origin)
0
fountain(cause, origin)
0
fountainhead(cause, origin)
0
ground(cause, origin)
0
inception(cause, origin)
0
provenance(cause, origin)
0
provenience(cause, origin)
0
radicle(cause, origin)
0
radix(cause, origin)
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APASmart Define. (2015). crux thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/crux/thesaurus/synonyms
ChicagoSmart Define. 2015. "crux thesaurus" https://smartdefine.org/crux/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, crux thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/crux/thesaurus/synonyms>.
MLASmart Define. "crux thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/crux/thesaurus/synonyms>