Investiture Law and Legal Definition
Investiture refers to an act of making livery of seisin; the act of investing or clothing a person with actual possession. It is the act or formal ceremony of conferring the authority and symbols of a high office.
In feudalism, investiture is the custom of feudal tenure whereby, an overlord transferred a fief to a vassal or by which the vassal on descent of lands was admitted in the lord's court and there received his seisin.
In ecclesiastical law, investiture is an elected cleric received the pastoral ring and staff (the symbols of spiritual office) signifying the transfer of the office.