82 entries under rational topic. ×

2
ratiocinative(adjective, clear, sound, sensible, fair)
2
realistic(adjective, open, sound, honest, sensible)
2
reasoned(adjective, sound, sensible, intelligent)
2
sane(adjective, sound, honest, sensible, fair)
2
thought-out(adjective, sound, reasonable, sensible)
2
viable(adjective, sound, reasonable)
1
advisable(adjective, sound, sensible, intelligent)
1
all there(expression, adjective, sound, sensible)
1
analytic(clear, sound, reasonable, sensible)
1
cerebral(adjective, sound, sensible, intelligent)
1
clear(sound, reasonable, sensible, logical)
1
clear-cut(adjective, sound, sensible, intelligent)
1
cognitive(adjective, sound, sensible, intelligent)
1
coherent(clear, sound, reasonable, sensible)
1
commonsensical(adjective, clear, sound, reasonable, sensible)
1
compelling(clear, sound, reasonable, sensible)
1
condonable(sound, reasonable)
1
congruent(clear, sound, reasonable, sensible)
1
conscious(adjective, sound, sensible, intelligent)
1
consequent(adjective, clear, sound, reasonable, sensible)
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APASmart Define. (2015). plausible thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/plausible/thesaurus/synonyms
ChicagoSmart Define. 2015. "plausible thesaurus" https://smartdefine.org/plausible/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, plausible thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/plausible/thesaurus/synonyms>.
MLASmart Define. "plausible thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/plausible/thesaurus/synonyms>