Investiture

Investiture, from the Latin (preposition in and verb vestire, 'dress' from vestis 'robe') is a rather general term for the formal installation of an incumbent as the insignia can include the formal dress and adornment (robes of state, headdress etc.) the etymology refers to, but also other regalia in the widest sense, such as a throne or other seat of office, the word is a convenient generic term, also for such more specific cases as coronation (see that article and regalia for more on such ceremonies) and enthronement, though these are also used (rather imprecisely, by analogy) in such extended sense.

Read more about Investiture:  Secular Usage