83 entries under source topic. ×

23
basis(noun, law, support, cause, start)
22
base(noun, verb, adjective, form, activity)
21
reason(noun, support, regulation, cause, start)
18
foundation(noun, law, support, regulation, cause)
13
bottom(noun, verb, adjective, support, hold)
12
cause(noun, regulation, start, rule, reason)
12
footing(noun, support, cause, start, substance)
10
groundwork(noun, support, cause, start, substance)
9
motive(noun, cause, start, reason, challenge)
7
occasion(noun, cause, start, reason, base)
7
root(noun, verb, form, support, cause)
7
substratum(noun, support, cause, start, substance)
5
bedrock(noun, support, cause, start, substance)
5
grounds(noun, area, cause, reason, substance)
5
principle(noun, law, rule, reason, idea)
5
seat(noun, verb, support, place, cause)
5
underpinning(noun, support, cause, start, substance)
4
causation(noun, reason, matter, agent)
4
matter(noun, reason, agent, root)
4
spring(noun, cause, start, reason, matter)
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APASmart Define. (2016). ground thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/ground/thesaurus/synonyms
ChicagoSmart Define. 2016. "ground thesaurus" https://smartdefine.org/ground/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, ground thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/ground/thesaurus/synonyms>.
MLASmart Define. "ground thesaurus" 1 March 2016. Web. 22 September 2026. <https://smartdefine.org/ground/thesaurus/synonyms>