sane

balanced fair-minded healthy intelligent levelheaded logical lucid normal prudent rational sensible sober wise

all there both oars in water commonsensical compos mentis discerning fit having all marbles in one's right mind judicious moderate of sound mind oriented playing with full deck right right-minded sagacious sage sapient self-possessed sound steady together well

foolish irrational stupid unbalanced unintelligent unrealistic unreasonable unwise

crazy insane unsound unstable