1.Definition: a formal event performed on a special occasion

"A ceremony commemorating Pearl Harbor"

Related Noun(s):ceremonial, observance

Category: General

2.Definition: any activity that is performed in an especially solemn elaborate or formal way

"The ceremony of smelling the cork and tasting the wine", "He makes a ceremony of addressing his golf ball", "He disposed of it without ceremony"

Category: General

3.Definition: the proper or conventional behavior on some solemn occasion

"An inaugural ceremony"

Category: General