Enthronement (noun)

1. The act of installing someone in a position of authority, especially as a monarch.
2. The act of seating someone on a throne.
3. The ceremony of installing a bishop in a cathedral.

Origin:

Late 16th century: from en- "into, on" + thronement, from old french tronement, based on latin thronus "throne".

Examples:

1. The enthronement of the new pope was a historic event.
2. The enthronement of the king was attended by dignitaries from all over the world.
3. The enthronement ceremony was elaborate and lasted for several hours.
4. The enthronement of the bishop marked the beginning of a new era in the diocese.
5. The enthronement was followed by a grand feast in the palace.