A large gathering of people intended to arouse enthusiasm WordNet 3.0 & Open English WordNet

In parliamentary law, a mass meeting is a type of deliberative assembly or popular assembly, which in a publicized or selectively distributed notice known as the call of the meeting - has been announced: as called to take appropriate action on a particular problem or toward a particular purpose stated by the meeting's sponsors, and as open to everyone interested in the stated problem or purpose. Wikipedia

Type of deliberative assembly Wikidata