Enthronization
From BiblePortal Wikipedia
Webster's Dictionary [1]
(n.) The act of enthroning; hence, the admission of a bishop to his stall or throne in his cathedral.
Cyclopedia of Biblical, Theological and Ecclesiastical Literature [2]
(1) The solemn placing of a bishop on his throne. (See Bishop).
(2) The word is also, used to designate the placing or "enthroning" of relics of the saints in the altar of a church, on consecration. (See Consecration Ofchurches).
(3) The installation of a presbyter is sometimes designated by the same word.