The first official meeting of a group of people who will be working together on a project. The agenda will usually include introductions, statement(s) of mission, and organization of teams or working-groups. The implication is that there will be more meetings to follow.

plural of meetinghouse

(usually of clothes) Suitable for wearing to church; one's best.

A series of horse races at a particular racecourse on a particular day

plural of meeting room

present participle of meet up

Without meetings.

(rare) Resembling or characteristic of a meeting.

A place where people arrange to meet. / (figuratively) A place where cultures, ideas etc. meet.

(law) A meeting of all shareholders of a company, usually held at least annually to approve the accounts and elect the members of the board.