1) Coronation 2) Enthronisation 3) Enthronization 4) Induction 5) Initiation 6) Installation 7) Investiture 8) The act of enthroning 
An enthronement is a ceremony of inauguration, involving a person—usually a monarch or religious leader—being formally seated for the first time upon their throne. This ritual is generally distinguished from a coronation because there is no crown or other regalia that is physically bestowed upon the one being enthroned, though regalia may be p...
• (n.) The act of enthroning, or state of being enthroned.
En·throne'ment noun The act of enthroning, or state of being enthroned. [ Recent]
the act of enthroning. · the state or occasion of being enthroned.
the ceremony of installing a new monarch