Sane

Of natural and normal mental condition; healthy in mind.

— Sane memory. Sound mind, memory, and understanding. This la one of the essential elements in the capacity of contracting; and the absence of it in lunatics and idiots, and its immaturity in infants, is the cause of their respective incapacities or partial incapacities to bind themselves. The like circumstance is their ground of exemption in cases of crime. Brown.