a group of people who have come together for a particular purpose

congregation

call somebody up

gathering

(an instance of) collecting things

group, accumulation

a group of people appointed (usually by a larger group) to carry out special duties

group working on project

(a meeting for) discussion

convention, colloquium

the law-making body of the US and some other republics in America

delegation of representatives

a confidence of members of a business, club, political party etc

conference

a group of people appointed, elected or chosen to give advice, make rules, carry out plans, manage affairs etc, especially of government

people assembled for purpose

(in ancient Rome) a public place for meeting

meeting

to meet e.g. for a discussion or social reason

gathering, conference

the act of graduating or being graduated

commencement

a coming together of a number of people at a certain time and place, especially for discussion

gathering, conference

to collect or gather (people, support etc) together

gathering

a large public gathering for a political or social cause; (in tennis) an exchange of several strokes

celebratory meeting

(of workers, students etc) to sit down in a factory, building etc and refuse to leave (as a protest)

congregation

a meeting of church officers to discuss church matters

council