D defs.my
Entry 2 senses Webster, 1913

Sane

/sān/ · IPA /seɪn/
01 a. Being in a healthy condition; not deranged; acting rationally; -- said of the mind.
  1. 1.
    Being in a healthy condition; not deranged; acting rationally; -- said of the mind.
  2. 2.
    Mentally sound; possessing a rational mind; having the mental faculties in such condition as to be able to anticipate and judge of the effect of one's actions in an ordinary maner; -- said of persons.