#exercise.ceremonial  (usually plural) a ceremony that involves processions and speeches; "academic exercises"
  supertype:  ceremonial__ceremony__ceremonial_occasion__observance  a formal event performed on a special occasion; "a ceremony commemorating Pearl Harbor"
  subtype:  commencement_exercise__commencement__commencement_ceremony__graduation__graduation_exercise  an academic exercise in which diplomas are conferred

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