ceremony : Idioms & Phrases

• noun an academic exercise in which diplomas are conferred
  graduation exercise; commencement; graduation; commencement exercise.
  

WordNet

• noun the ceremonial breaking of the ground to formally begin a construction project
  groundbreaking.
  

WordNet

• noun the act of marrying; the nuptial ceremony
  marriage; wedding.
  
  • their marriage was conducted in the chapel

WordNet

• noun a person who acts as host at formal occasions (makes an introductory speech and introduces other speakers)
  host; emcee.
  

WordNet

• an officer who determines the forms to be observed, or superintends their observance, on a public occasion.

Webster 1913

• noun a formal ceremony performed by military personnel
  
• noun a military custom performed in observance of some event or anniversary
  

WordNet

• not to be ceremonious; to be familiar, outspoken, or bold.

Webster 1913

• noun a ceremony having religious meaning
  religious ritual.
  

WordNet

• noun an ancient ritual for preparing and serving and drinking tea
  chanoyu.
  

WordNet

• noun the social event at which the ceremony of marriage is performed
  hymeneals; nuptials; wedding.
  

WordNet