110 entries under understanding topic. ×

20
reasonableness(noun, honor, right, knowledge)
16
sense(noun, philosophy, character, position)
14
logic(noun, good, knowledge, mind)
13
sanity(noun, health, mind, reason)
11
intellect(noun, philosophy, character, position)
9
lucidity(noun, mind, reason, sense)
9
mind(noun, philosophy, character, position)
9
ratiocination(noun, mind, reason, connection)
9
rationalness(noun, good, reason, sense)
8
wisdom(noun, knowledge, mind, reason)
7
wit(noun, philosophy, character, position)
7
brain(noun, mind, sense, intelligence)
7
judgment(noun, knowledge, mind, reason)
7
mentality(noun, state, mind, attitude)
6
reasoning(noun, philosophy, character, position)
6
soundness(noun, strength, knowledge, mind)
5
saneness(noun, mind, reason, sense)
5
sensibleness(noun, knowledge, ability, mind)
4
brains(noun, philosophy, character, position)
4
comprehension(noun, philosophy, character, position)
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APASmart Define. (2015). rationality thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/rationality/thesaurus/synonyms
ChicagoSmart Define. 2015. "rationality thesaurus" https://smartdefine.org/rationality/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, rationality thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/rationality/thesaurus/synonyms>.
MLASmart Define. "rationality thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/rationality/thesaurus/synonyms>