noun
investiture
in-VES-tih-cher/ɪnˈvestɪtʃər/
The formal granting of an office or authority to someone.
At her investiture, the new officeholder receives a ceremonial gold chain.

Etymology
The clothing root points to a ceremony of dressing someone in the insignia of office. That ceremonial clothing expressed the conferral of rank or authority, which remains the central meaning of investiture.
In context
her 25th anniversary of her investiture to the Supreme Court.
More examples
- The judge's investiture takes place at the courthouse.
- Her investiture as university president marks the start of her term.
- The charter requires a formal investiture before the governor assumes authority.
Forms
investiture · investitures
invest verb — To formally grant someone authority or rank.
Similar words
- installation
- Focuses on formally placing someone in a particular office.
- inauguration
- Emphasizes the ceremonial beginning of a term in office.