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

85 entries under source topic. ×

12
basis(noun, support, action, cause, start)
12
foundation(noun, support, hold, cause, start)
12
groundwork(noun, support, hold, cause, start)
10
base(noun, support, action, hold, cause)
8
bottom(noun, support, cause, start, substance)
7
bedrock(noun, support, action, cause, start)
7
footing(noun, support, action, hold, cause)
7
ground(noun, support, cause, start, substance)
6
root(noun, support, action, cause, reason)
6
stuff(noun, cause, origin, materiality)
6
substance(noun, cause, basis, origin)
5
infrastructure(noun, support, action, cause, start)
5
principle(noun, support, action, base, beginning)
5
seat(noun, support, cause, start, reason)
5
support(noun, support, action, substance, authority)
5
underpinning(noun, support, action, hold, cause)
3
core(noun, support, action, cause, start)
3
fundamental(noun, adjective, support, action, cause)
2
reason(noun, support, action, cause, start)
2
rock bottom(expression, cause, quick, origin)
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APASmart Define. (2015). substratum thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/substratum/thesaurus/synonyms
ChicagoSmart Define. 2015. "substratum thesaurus" https://smartdefine.org/substratum/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, substratum thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/substratum/thesaurus/synonyms>.
MLASmart Define. "substratum thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/substratum/thesaurus/synonyms>