convocation

Short definition from Wiktionary

Noun

1. 1
   The act of calling or assembling by summons.
2. 2
   An assembly or meeting.
3. 3
   An assembly of the clergy, by their representatives, to consult on ecclesiastical affairs.
4. 4
   An academic assembly, in which the business of a university is transacted.
5. 5
   A flock of eagles.