investiture

[in-ves-ti-cher, -choo r] /ɪnˈvɛs tɪ tʃər, -ˌtʃʊər/
noun
1.
the act or process of investing.
2.
the formal bestowal, confirmation, or presentation of rank, office, or a possessory or prescriptive right, usually involving the giving of insignia or an official title.
3.
the state of being invested, as with a garment, quality, or office.
4.
something that covers or adorns.
5.
Archaic. something that invests.
Origin
1350-1400; Middle English < Medieval Latin investītūra, equivalent to investīt(us) (past participle of investīre to install; see invest) + -ūra -ure
British Dictionary definitions for investiture

investiture

/ɪnˈvɛstɪtʃə/
noun
1.
the act of presenting with a title or with the robes and insignia of an office or rank
2.
(in feudal society) the formal bestowal of the possessory right to a fief or other benefice
3.
a less common word for investment (sense 7)
Derived Forms
investitive, adjective
Word Origin and History for investiture
n.

late 14c., from Medieval Latin investitura, from past participle stem of Latin investire "to clothe" (see invest).