86 entries under sober topic. ×

4
canny(adjective, sensible, wise, practical)
4
cerebral(adjective, sound, keen, sensible, rational)
4
contemplative(adjective, keen, sensible, deep, rational)
4
hard-boiled(adjective, calm, hard, sound, sensible)
4
serious(adjective, calm, keen, sensible, restrained)
4
shrewd(adjective, hard, sound, sensible, rational)
4
sophisticated(adjective, sensible, rational, careful, intelligent)
3
absorbed(adjective, keen, deep, rational, intelligent)
3
analytical(adjective, sound, sensible, rational)
3
clearheaded(adjective, sensible, rational, articulate)
3
deliberative(adjective, keen, deep, rational, intelligent)
3
far-sighted(adjective, calm, sound, sensible, rational)
3
in right mind(expression, adjective, idiom, sensible, rational)
3
intent(adjective, keen, deep, rational, thoughtful)
3
orderly(adjective, sound, sensible, useful)
3
unidealistic(adjective, hard, sound, sensible, useful)
2
attentive(adjective, sensible, restrained, rational, careful)
2
calculating(adjective, smart, bright, sensible, restrained)
1
cogitative(adjective, keen, sensible, deep, rational)
1
earnest(adjective, calm, quiet, keen, dark)
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APASmart Define. (2016). reasonable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/reasonable/thesaurus/synonyms
ChicagoSmart Define. 2016. "reasonable thesaurus" https://smartdefine.org/reasonable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, reasonable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/reasonable/thesaurus/synonyms>.
MLASmart Define. "reasonable thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/reasonable/thesaurus/synonyms>