86 entries under reason topic. ×

23
basis(noun, law, support, cause, start)
21
reason(noun, support, regulation, cause, start)
18
foundation(noun, law, support, regulation, cause)
12
cause(noun, regulation, start, rule)
9
motive(noun, cause, start, challenge)
8
justification(noun, support, cause, start)
7
occasion(noun, cause, start, base)
7
root(noun, verb, form, support, cause)
6
argument(noun, cause, position, idea)
6
call(noun, cause, start, request)
6
rationale(noun, cause, idea, case)
5
grounds(noun, area, cause, substance)
5
principle(noun, law, rule, idea)
5
proof(noun, cause, idea, case)
5
wherefore(noun, cause, start, idea)
5
why(noun, cause, start, idea)
4
causation(noun, matter, source, agent)
4
matter(noun, source, agent, root)
4
spring(noun, cause, start, matter)
4
stimulus(noun, spur, lure, motivation)
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APASmart Define. (2016). ground thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/ground/thesaurus/synonyms
ChicagoSmart Define. 2016. "ground thesaurus" https://smartdefine.org/ground/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, ground thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/ground/thesaurus/synonyms>.
MLASmart Define. "ground thesaurus" 1 March 2016. Web. 23 September 2026. <https://smartdefine.org/ground/thesaurus/synonyms>