Sane

Part of speech: adjective (a.)

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.

Synonyms: Sound; healthy; underanged; unbroken.