53 entries under rational topic. ×

2
secure(adjective, sound, reasonable)
2
vindicable(adjective, sound, reasonable, justified)
2
warrantable(adjective, sound, reasonable, justified)
1
advisable(adjective, sound, sensible, intelligent)
1
all there(expression, adjective, sound, sensible)
1
cerebral(adjective, sound, sensible, intelligent)
1
clear-cut(adjective, sound, sensible, intelligent)
1
cognitive(adjective, sound, sensible, intelligent)
1
commonsensical(adjective, sound, sensible, intelligent)
1
conscious(adjective, sound, sensible, intelligent)
1
consequent(adjective, sound, sensible, intelligent)
1
cool(adjective, sound, sensible, intelligent)
1
judicious(adjective, sound, sensible, intelligent)
1
levelheaded(adjective, sound, sensible, intelligent)
1
perceiving(adjective, sound, sensible, intelligent)
1
percipient(adjective, sound, sensible, intelligent)
1
practical(adjective, sound, sensible, intelligent)
1
ratiocinative(adjective, sound, sensible, intelligent)
1
realistic(adjective, sound, sensible, practical)
1
reasoning(noun, adjective, sound, sensible)
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APASmart Define. (2015). tenable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/tenable/thesaurus/synonyms
ChicagoSmart Define. 2015. "tenable thesaurus" https://smartdefine.org/tenable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, tenable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/tenable/thesaurus/synonyms>.
MLASmart Define. "tenable thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/tenable/thesaurus/synonyms>