105 entries under sober topic. ×

1
contemplative(adjective, reasonable, keen, deep, rational)
1
credible(adjective, open, sound, honest, sensible)
1
deliberative(adjective, reasonable, keen, deep, rational)
1
discerning(adjective, sound, reasonable, sensible, rational)
1
earnest(adjective, calm, quiet, reasonable, keen)
1
engrossed(adjective, reasonable, keen, deep, rational)
1
grave(adjective, calm, quiet, reasonable, keen)
1
intellectual(adjective, good, sound, reasonable, sensible)
1
intent(adjective, reasonable, keen, deep, rational)
1
justifiable(adjective, sound, sensible, rational, intelligent)
1
keen(adjective, reasonable, sensible, deep, rational)
1
lost in thought(expression, adjective, idiom, reasonable)
1
lucid(adjective, calm, quiet, sound, reasonable)
1
meditative(adjective, reasonable, keen, deep, rational)
1
melancholy(adjective, reasonable, keen, deep, rational)
1
moderate(adjective, quiet, cool, sound, reasonable)
1
museful(adjective, reasonable, keen, deep, rational)
1
musing(adjective, reasonable, keen, deep, rational)
1
pensive(adjective, reasonable, keen, deep, rational)
1
perceiving(adjective, sound, sensible, rational, intelligent)
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APASmart Define. (2015). levelheaded thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/levelheaded/thesaurus/synonyms
ChicagoSmart Define. 2015. "levelheaded thesaurus" https://smartdefine.org/levelheaded/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, levelheaded thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/levelheaded/thesaurus/synonyms>.
MLASmart Define. "levelheaded thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/levelheaded/thesaurus/synonyms>