IPA: /ˈsɛrəˌmoʊni/
KK: /ˈsɛrɪˌmoʊni/
A formal event or series of actions that follow specific rules or traditions, often to mark an important occasion.
The graduation ceremony was held in the university auditorium.
Ceremony is derived from the Latin word "caerimonia" (meaning religious observance or sacred rite). The word reflects the idea of a formal event or ritual that is often associated with significant occasions.
Think of a 'sacred rite' ('caerimonia') to remember that a ceremony is a formal event or ritual.