Plenipotentiary
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
Possessing full powers; as, a minister plenipotentiary is one authorized fully to settle the matters connected with his mission, subject, however, to the ratification of the government by which he is authorized. PLENUM DOMINIUM (Lat.) The unlimited right which the owner has to use his property as he deems proper, without accountability to any one. PLEYNTYFE (L. Fr. from pleyndre, to complain).
In old English law
Plaintiff; a complaining party.