ceremony

Noun

• the proper or conventional behavior on some solemn occasion
  • an inaugural ceremony
    

• 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
    

• a formal event performed on a special occasion
  • a ceremony commemorating Pearl Harbor
    

Related words

• Synonyms: 
  ceremonial , ceremonial occasion , observance