Compos Mentis
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
See "Non Compos Mentis." COMPOS SUI (Lat.) Having power of one's self; having the use of one's limbs, or the power of bodily motion. Si fuit ita compos sui quod itinerare potuit de loco in locum, if he had so far the use of his limbs as to be able to travel from place to place. Bracton, fol.
14b.