82 entries under rational topic. ×

9
logical(adjective, adverb, clear, sound, reasonable)
5
discerning(adjective, clear, sound, reasonable, sharp)
5
ruminative(adjective, reasonable, thoughtful, sober)
3
intellectual(adjective, sound, reasonable, sensible)
3
keen(adjective, reasonable, sensitive, deep)
3
reasoning(adjective, sound, reasonable, keen, sensible)
3
thoughtful(adjective, sound, reasonable, keen, sensible)
2
cogent(adjective, clear, sound, reasonable, sensible)
2
empirical(adjective, adverb, reasonable, logical)
2
inferential(clear, sound, reasonable, sensible)
2
valid(adjective, clear, sound, reasonable, honest)
2
wise(adjective, clear, sound, reasonable, sensible)
1
absorbed(adjective, reasonable, keen, deep)
1
brainy(adjective, reasonable, keen, deep)
1
calculating(adjective, reasonable, keen, deep)
1
cerebral(adjective, sound, reasonable, sensible)
1
circumspect(adjective, sound, reasonable, moderate, honest)
1
clear(sound, reasonable, sensible, logical)
1
cogitative(adjective, reasonable, keen, deep)
1
coherent(clear, sound, reasonable, sensible)
11 years ago|5.7k views|share |citing 
APASmart Define. (2015). analytical thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/analytical/thesaurus/synonyms
ChicagoSmart Define. 2015. "analytical thesaurus" https://smartdefine.org/analytical/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, analytical thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/analytical/thesaurus/synonyms>.
MLASmart Define. "analytical thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/analytical/thesaurus/synonyms>