144 entries under rational topic. ×

2
factual(adjective, tough, reasonable, sensible, true)
2
fit(verb, sensible, healthy, stable)
2
intellectual(adjective, good, sound, reasonable, keen)
2
lifeless(adjective, tough, soft, obscure, flat)
2
mundane(adjective, tough, reasonable, sensible)
2
museful(adjective, reasonable, keen, deep)
2
percipient(adjective, sound, sensible, intelligent)
2
philosophic(adjective, calm, cool, sound, reasonable)
2
pondering(adjective, reasonable, keen, deep)
2
prosy(adjective, tough, straightforward, unfeeling)
2
ratiocinative(adjective, sound, reasonable, sensible)
2
reasoned(adjective, sound, reasonable, sensible)
2
reasoning(adjective, sound, reasonable, sensible)
2
reflecting(adjective, reasonable, keen, deep)
2
right(adjective, sound, moderate, sensible)
2
sapient(adjective, sensible, healthy, stable)
2
stolid(adjective, calm, cool, tough)
2
unaffected(adjective, tough, straightforward, unfeeling)
2
unidealistic(adjective, hard, sound, tough, reasonable)
2
well-advised(adjective, good, sound, reasonable, sensible)
11 years ago|30k views|share |citing 
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>