120 entries under sober topic. ×

7
right(adjective, sound, reasonable, honest, sensible)
6
astute(adjective, understanding, hard, sound, tough)
6
moderate(adjective, sound, reasonable, sensible, fair)
6
pragmatic(adjective, hard, sound, tough, reasonable)
6
reflective(adjective, sound, reasonable, honest, sensible)
6
tenable(adjective, sound, reasonable, honest, sensible)
5
clearheaded(adjective, sensible, articulate, sane)
5
matter-of-fact(adjective, hard, sound, reasonable, sensible)
5
percipient(adjective, understanding, sound, keen, sharp)
5
ruminative(adjective, reasonable, intelligent, thoughtful)
5
shrewd(adjective, hard, sound, tough, reasonable)
5
steady(adjective, calm, quiet, sound, reasonable)
4
aware(adjective, understanding, reasonable, keen, sensible)
4
consistent(adjective, clear, sound, reasonable, sensible)
4
keen(adjective, understanding, reasonable, sharp, smart)
4
reasoned(adjective, adverb, sound, reasonable, sensible)
4
subjective(adjective, reasonable, keen, heavy, intelligent)
4
well-advised(adjective, good, sound, reasonable, sensible)
3
conscious(adjective, understanding, sound, reasonable, keen)
3
healthy(sensible, stable, normal, sane)
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APASmart Define. (2016). rational thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/rational/thesaurus/synonyms
ChicagoSmart Define. 2016. "rational thesaurus" https://smartdefine.org/rational/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, rational thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/rational/thesaurus/synonyms>.
MLASmart Define. "rational thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/rational/thesaurus/synonyms>