Synonyms|382Antonyms|14|Broader|3Narrower|0Related|73

48 entries under action topic. ×

12
basis(noun, support, cause, start)
10
base(noun, support, hold, cause)
7
bedrock(noun, support, cause, start)
7
footing(noun, support, hold, cause)
6
root(noun, support, cause, reason)
5
infrastructure(noun, support, cause, start)
5
principle(noun, support, base, beginning)
5
support(noun, support, substance, authority)
5
underpinning(noun, support, hold, cause)
3
core(noun, support, cause, start)
3
fundamental(noun, adjective, support, cause)
2
reason(noun, support, cause, start)
2
rudiment(noun, support, base, beginning)
1
antecedent(noun, support, cause, reason)
1
assumption(noun, support, base, beginning)
1
authority(noun, support, substance, base)
1
axiom(noun, support, base, beginning)
1
backbone(noun, support, base, beginning)
1
background(noun, support, base, beginning)
1
backing(noun, support, hold, block)
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APASmart Define. (2015). substratum thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/substratum/thesaurus/synonyms
ChicagoSmart Define. 2015. "substratum thesaurus" https://smartdefine.org/substratum/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, substratum thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/substratum/thesaurus/synonyms>.
MLASmart Define. "substratum thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/substratum/thesaurus/synonyms>