sane Meaning, Definition & Usage

  1. adjective mentally healthy; free from mental disorder
    • appears to be completely sane
  2. adjective satellite marked by sound judgment
    reasonable.
    • sane nuclear policy

WordNet

Sane adjective
Etymology
L. sanus; cf. Gr. , , safe, sound. Cf. Sound, a.
Definitions
  1. Being in a healthy condition; not deranged; acting rationally; -- said of the mind.
  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. Syn. -- Sound; healthy; underanged; unbroken.

Webster 1913