205 entries under reason topic. ×

4
facts(noun, information, statement, picture)
4
motivation(noun, action, cause, object)
4
occasion(noun, cause, object, element)
4
proof(noun, information, mark, cause, sign)
4
theory(noun, concept, action, philosophy)
3
base(noun, understanding, plan, position)
3
case(noun, information, cause, claim)
3
deposition(noun, information, mark, sign)
3
groundwork(noun, substance, basis, justification)
3
mainspring(noun, cause, object, element)
3
right(noun, cause, strength, substance)
3
root(noun, cause, substance, object)
3
score(noun, information, picture, evidence)
3
source(noun, cause, matter, agent)
3
vindication(noun, cause, trick, approval)
3
warrant(noun, information, cause, approval)
2
action(noun, cause, excuse, basis)
2
antecedent(noun, cause, object, element)
2
bedrock(noun, substance, basis, justification)
2
causation(noun, element, matter, source)
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APASmart Define. (2015). grounds thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/grounds/thesaurus/synonyms
ChicagoSmart Define. 2015. "grounds thesaurus" https://smartdefine.org/grounds/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, grounds thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/grounds/thesaurus/synonyms>.
MLASmart Define. "grounds thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/grounds/thesaurus/synonyms>