29
reason(noun, action, good, feeling, understanding)
18
justification(noun, action, cause, reason, case)
16
explanation(noun, action, cause, report, reason)
12
excuse(noun, action, cause, reason, base)
12
ground(noun, cause, reason, idea, case)
11
grounds(noun, concept, action, philosophy, cause)
11
principle(noun, concept, action, philosophy, system)
10
basis(noun, concept, action, understanding, philosophy)
10
motive(noun, action, cause, reason, object)
10
rationalization(noun, action, cause, reason, explain)
10
theory(noun, concept, action, philosophy, system)
9
logic(noun, good, understanding, science, reason)
8
account(noun, action, cause, report, reason)
7
cause(noun, reason, object, base, call)
7
philosophy(noun, adjective, concept, action, quiet)
7
reasoning(noun, reason, sense, judgment, explanation)
6
argument(noun, concept, understanding, philosophy, cause)
6
pretext(noun, cause, reason, base, call)
5
motivation(noun, action, cause, reason, object)
5
rationality(noun, good, reason, connection, sense)
<1234510>
10 years ago|6.1k views|share |citing 
APASmart Define. (2015). rationale thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/rationale/thesaurus/synonyms
ChicagoSmart Define. 2015. "rationale thesaurus" https://smartdefine.org/rationale/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, rationale thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/rationale/thesaurus/synonyms>.
MLASmart Define. "rationale thesaurus" 22 December 2015. Web. 21 September 2026. <https://smartdefine.org/rationale/thesaurus/synonyms>