sane

adj

1. rational, normal, right, right-minded, Latin, compos mentis; sober, stable, of sound mind, of sound judgment, sound-minded; sound, healthy, wholesome; lucid, cogent, logical, perceiving, discerning; Sl. all there, Sl. together, Sl. having all one's marbles, in possession of one's faculties or senses.

2. sensible, reasonable, intelligent, sapient, sage, sagacious, judicious, understanding; responsible, level-headed, thoughtful, far-sighted; prudent, politic, discriminating, discreet, enlightened; cool-headed, cool, commonsense, commonsensical, pragmatic, practical; fit, advisable, proper; plausible, credible, justifiable, believable; well-founded, well-grounded.