investiture

n. bestowing; authorization bestowing of authority; inauguration, bringing into office

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 (heir, elect of nominee) in public office, especially by taking possession of its insignia. The term is normally reserved for formal offices of state, aristocracy and church.
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Noun
1. the ceremony of installing a new monarch
(synonym) coronation, enthronement, enthronization, enthronisation
(hypernym) initiation, induction, installation
(derivation) invest, clothe, adorn
2. the ceremonial act of clothing someone in the insignia of an office; the formal promotion of a person to an office or rank
(synonym) investment
(hypernym) promotion

n. investiture; vote of confidence; nomination

n. investiture, induction, installation