90 entries under rationality topic. ×

3
sound mind(noun, expression, idiom, understanding, mind)
3
weight(noun, health, strength, substance, healthiness)
2
authority(strength, substance, reliability, trustworthiness)
2
continuity(noun, reason, constant, unity, consistency)
2
fairness(noun, honor, right, confidence, goodness)
2
good sense(noun, expression, knowledge, reason, sense)
2
healthy mind(expression, routine, wit, prudence, stability)
2
horse sense(noun, expression, health, knowledge, reason)
2
intelligence(noun, understanding, knowledge, mind, reason)
2
levelheadedness(noun, health, knowledge, reason, sense)
2
logicality(fairness, sensibleness)
2
marbles(noun, understanding, power, spirit, mind)
2
sensibleness(noun, understanding, knowledge, mind, reason)
2
substance(noun, health, force, body, power)
1
acumen(noun, understanding, knowledge, mind, reason)
1
adherence(noun, support, control, strength, reason)
1
clear mind(expression, wit, prudence, stability)
1
coherence(noun, reason, sense, judgment, unity)
1
comprehension(noun, understanding, mind, sense, intelligence)
1
experience(noun, knowledge, reason, sense, intelligence)
11 years ago|9.1k views|share |citing 
APASmart Define. (2015). soundness thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/soundness/thesaurus/synonyms
ChicagoSmart Define. 2015. "soundness thesaurus" https://smartdefine.org/soundness/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, soundness thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/soundness/thesaurus/synonyms>.
MLASmart Define. "soundness thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/soundness/thesaurus/synonyms>