- Being in a healthy condition; not deranged; acting rationally; -- said of the mind.
- 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.
Etymology: L. sanus; cf. Gr. �, �, safe, sound. Cf. Sound (a.)