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

48 entries under action topic. ×

1
principal element(noun, expression, support, base)
1
proof(noun, support, cause, reason)
1
sanction(noun, support, base, beginning)
1
security(noun, support, base, beginning)
1
source(noun, support, cause, start)
1
theorem(noun, support, base, beginning)
1
theory(noun, support, base, beginning)
1
warrant(noun, support, base, beginning)
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APASmart Define. (2015). underpinning thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/underpinning/thesaurus/synonyms
ChicagoSmart Define. 2015. "underpinning thesaurus" https://smartdefine.org/underpinning/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, underpinning thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/underpinning/thesaurus/synonyms>.
MLASmart Define. "underpinning thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/underpinning/thesaurus/synonyms>