3
reasoned(adjective, sound, reasonable, sensible, rational)
3
sagacious(adjective, sound, reasonable, reason, sensible)
3
sage(adjective, sound, reason, sensible, rational)
3
salubrious
3
sapient(adjective, sound, reason, sensible, rational)
3
solid(adjective, open, reasonable, firm, honest)
2
all there(expression, adjective, calm, good, sound)
2
assured(adjective, calm, quiet, relaxed, casual)
2
dispassionate(adjective, calm, quiet, cool, reasonable)
2
equable(adjective, calm, quiet, cool, reasonable)
2
far-sighted(adjective, calm, sound, reasonable, sensible)
2
farsighted(adjective, reasonable, keen, deep, rational)
2
hard(sound, tough, reasonable, sensible, practical)
2
level
2
level headed(expression, idiom)
2
normal(sound, reasonable, sensible, rational, healthy)
2
philosophical(adjective, calm, quiet, relaxed, thoughtful)
2
relaxed(adjective, calm, quiet, cool, moderate)
2
reliable(adjective, good, open, firm, honest)
2
reposeful(adjective, quiet, cool, still, peaceful)
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APASmart Define. (2015). levelheaded thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/levelheaded/thesaurus/synonyms
ChicagoSmart Define. 2015. "levelheaded thesaurus" https://smartdefine.org/levelheaded/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, levelheaded thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/levelheaded/thesaurus/synonyms>.
MLASmart Define. "levelheaded thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/levelheaded/thesaurus/synonyms>