rational Synonyms - page 2
of sound mind
rational number
enlightened
cool as a cucumber
compos mentis
commonsensical
all there
serious-minded
perceptual
unromantic
clear-thinking
well-founded
well-balanced
well-adjusted
unemotional
thought out
subliminal
sapiens
tough-minded
down-to-earth
unarbitrary
wisely
wis
viable
verisimilar
valid
upright
thoughtful
thorough
well-grounded
well-advised
no-nonsense
coolheaded
hardheaded
hakeem
levelheaded
nonarbitrary
assertable
unimpassioned
thinkable
psychical
advisable
deducible
cultured
convincing
consistent
considered
consequent
conscious
conceptual