151 entries under source topic. ×

49
base(noun, organization, concept, support, regulation)
32
basis(noun, organization, concept, law, support)
25
groundwork(noun, organization, support, hold, study)
23
support(noun, organization, support, cause, substance)
17
underpinning(noun, organization, support, hold, cause)
16
root(noun, organization, support, body, cause)
15
footing(noun, organization, support, hold, cause)
14
ground(noun, law, support, regulation, cause)
14
bottom(noun, support, cause, start, substance)
14
origination(noun, act, cause, start, plan)
13
origin(noun, law, regulation, body, cause)
11
reason(noun, cause, start, substance, base)
11
substratum(noun, support, hold, cause, start)
10
creation(noun, act, cause, start, plan)
10
cause(noun, regulation, cause, start, rule)
9
core(noun, organization, cause, start, base)
9
fundamental(noun, adjective, law, regulation, part)
9
infrastructure(noun, organization, support, cause, start)
9
principle(noun, organization, concept, law, philosophy)
8
bedrock(noun, support, cause, start, reason)
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APASmart Define. (2015). foundation thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/foundation/thesaurus/synonyms
ChicagoSmart Define. 2015. "foundation thesaurus" https://smartdefine.org/foundation/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, foundation thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/foundation/thesaurus/synonyms>.
MLASmart Define. "foundation thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/foundation/thesaurus/synonyms>