83 entries under rational topic. ×

2
cogent(clear, sound, reasonable, sensible, natural)
2
commonsense(sound, reasonable)
2
commonsensical(adjective, clear, sound, reasonable, sensible)
2
credible(adjective, sound, sensible, intelligent)
2
ratiocinative(adjective, clear, sound, sensible, fair)
2
reasoning(noun, adjective, sound, sensible)
2
together(adjective, sound, friendly, appropriate, sensible)
2
valid(clear, sound, reasonable, sensible)
1
advisable(adjective, sound, sensible, intelligent)
1
all there(expression, adjective, sound, sensible)
1
analytic(clear, sound, reasonable, sensible)
1
analytical(clear, sound, reasonable, sensible)
1
arguable(adjective, sound, sensible, intelligent)
1
believable(adjective, sound, sensible, intelligent)
1
calm(adjective, smooth, flat, plain, level)
1
cerebral(adjective, sound, sensible, intelligent)
1
cognitive(adjective, sound, sensible, intelligent)
1
compelling(clear, sound, reasonable, sensible)
1
conscious(adjective, sound, sensible, intelligent)
1
convincing(clear, sound, reasonable, sensible)
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APASmart Define. (2016). consistent thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/consistent/thesaurus/synonyms
ChicagoSmart Define. 2016. "consistent thesaurus" https://smartdefine.org/consistent/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, consistent thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/consistent/thesaurus/synonyms>.
MLASmart Define. "consistent thesaurus" 1 April 2016. Web. 21 September 2026. <https://smartdefine.org/consistent/thesaurus/synonyms>