noun
coronation
kor-uh-NAY-shun/ˌkɔːrəˈneɪʃn/
A ceremony in which a king or queen is formally crowned.
The officiant lowers the crown during the monarch's coronation.

Etymology
From the crown comes the action of furnishing someone with one. Coronation names that crowning as a formal ceremony investing a sovereign with the symbol of royal power.
In context
Constantine was crowned in a modest ceremony at Mistra, never receiving the traditional grand imperial coronation inside the Hagia [music] Sophia.
More examples
- They attended the coronation.
- Several coronations were described in the chronicle.
- The coronation filled the square with visitors.
Forms
coronation · coronations
Similar words
- inauguration
- Formally begins an office without necessarily crowning a monarch.
- accession
- Becoming ruler rather than the crowning ceremony.