Synonyms|361Antonyms|2|Broader|0Narrower|2Related|83

85 entries under source topic. ×

1
antecedent(noun, support, action, cause, reason)
1
assumption(noun, support, action, base, beginning)
1
authority(noun, support, action, substance, base)
1
axiom(noun, support, action, base, beginning)
1
backbone(noun, support, action, base, beginning)
1
background(noun, support, action, base, beginning)
1
cause(noun, support, action, start, reason)
1
center(noun, support, action, cause, start)
1
chief ingredient(noun, expression, support, action, base)
1
core(noun, support, action, cause, start)
1
crux(noun, support, action, cause, start)
1
essence(noun, support, action, cause, start)
1
essential(noun, support, action, base, beginning)
1
evidence(noun, support, action, cause, reason)
1
explanation(noun, support, action, base, beginning)
1
hard fact(noun, expression, support, action, base)
1
heart(noun, support, action, cause, start)
1
justification(noun, support, action, cause, reason)
1
keynote(noun, support, action, base, beginning)
1
keystone(noun, support, action, base, beginning)
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APASmart Define. (2015). underpinning thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/underpinning/thesaurus/synonyms
ChicagoSmart Define. 2015. "underpinning thesaurus" https://smartdefine.org/underpinning/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, underpinning thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/underpinning/thesaurus/synonyms>.
MLASmart Define. "underpinning thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/underpinning/thesaurus/synonyms>