Convene : come or bring together for a meeting or activity; assemble.Cancel : decide or announce that (a planned event) will not take place.Adjourn : break off (a meeting, legal case, or game) with the intention of resuming it later.Dissolve : (with reference to a solid) become or cause to become incorporated into a liquid so as to form a solution.Postpone : cause or arrange for (something) to take place at a time later than that first scheduled.Antonym of Convene is Cancel