99 entries under sober topic. ×

1
impassive(adjective, calm, tough, restrained, rational)
1
impersonal(adjective, tough, rational, straightforward)
1
in right mind(expression, adjective, idiom, reasonable, rational)
1
informed(reasonable, sensible, familiar, rational, stable)
1
justifiable(adjective, sound, sensible, rational, intelligent)
1
knowing(reasonable, sensible, refined, knowledgeable)
1
lifeless(adjective, simple, tough, plain, ordinary)
1
naked(adjective, tough, rational, straightforward)
1
objective(adjective, hard, sound, tough, excite)
1
perceiving(adjective, sound, sensible, rational, intelligent)
1
phlegmatic(adjective, tough, rational, straightforward)
1
plain(adjective, calm, simple, tough, sensible)
1
prosy(adjective, simple, tough, clean, plain)
1
ratiocinative(adjective, sound, sensible, rational, intelligent)
1
reasoned(adjective, sound, sensible, rational, intelligent)
1
reasoning(adjective, sound, sensible, rational, intelligent)
1
reflective(adjective, sound, sensible, rational, intelligent)
1
sagacious(adjective, reasonable, sensible, rational)
1
shrewd(adjective, hard, sound, tough, reasonable)
1
stoic(adjective, tough, rational, straightforward)
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APASmart Define. (2016). practical thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/practical/thesaurus/synonyms
ChicagoSmart Define. 2016. "practical thesaurus" https://smartdefine.org/practical/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, practical thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/practical/thesaurus/synonyms>.
MLASmart Define. "practical thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/practical/thesaurus/synonyms>