1‘an accused person is presumed to be sane until they can prove the contrary’
of sound mind, right in the head, in one's right mind, in possession of all one's faculties, able to reason clearly, able to think clearly, lucid, clear-headed, rational, coherent, balanced, well balanced, stable, normal
informal all there
2‘who would think it sane to use nuclear weapons?’
sensible, practical, advisable, responsible, realistic, full of common sense, prudent, circumspect, pragmatic, wise, reasonable, rational, mature, level-headed, commonsensical, judicious, politic, sound, balanced, sober
We take a look at several popular, though confusing, punctuation marks.