A meeting or gathering.
A formal agreement, contract, rule, or pact.
A treaty or supplement to such.
A practice or procedure widely observed in a group, especially to facilitate social interaction; a custom.
The convening of a formal meeting.
A formal deliberative assembly of mandated delegates.
A meeting convened to address a crisis or to make a plan of attack.
A committee of high-ranking military officers convened to consult on urgent matters in wartime.