144 entries under rational topic. ×

1
far-sighted(adjective, sound, reasonable, sensible)
1
farsighted(adjective, reasonable, keen, deep)
1
feasible(adjective, tough, reasonable, sensible)
1
impartial(adjective, calm, sound, reasonable, sensible)
1
impersonal(adjective, calm, cool, tough)
1
in right mind(expression, adjective, idiom, reasonable, sensible)
1
justifiable(adjective, sound, sensible, intelligent)
1
keen(adjective, reasonable, sensible, deep)
1
literal(straightforward, straight, rigid, down-to-earth)
1
objective(adjective, calm, hard, sound, tough)
1
of sound mind(expression, adjective, idiom, sensible)
1
perceiving(adjective, sound, sensible, intelligent)
1
phlegmatic(adjective, calm, cool, tough)
1
plausible(adjective, sound, sensible, intelligent)
1
preoccupied(adjective, reasonable, keen, deep)
1
rapt(adjective, reasonable, keen, deep)
1
retrospective(adjective, reasonable, keen, deep)
1
right-minded(sensible, healthy, stable, well-balanced)
1
sagacious(sound, reasonable, sensible, healthy)
1
shrewd(adjective, hard, sound, tough, reasonable)
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APASmart Define. (2015). sober thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sober/thesaurus/synonyms
ChicagoSmart Define. 2015. "sober thesaurus" https://smartdefine.org/sober/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, sober thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sober/thesaurus/synonyms>.
MLASmart Define. "sober thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/sober/thesaurus/synonyms>