inauguralgathering

noun
UK /ɪˈnɔːɡjʊrəl ˈɡæðərɪŋ/
US /ɪˈnɔːɡjərəl ˈɡæðərɪŋ/

A special first meeting or party to start something new.

The club held an inaugural gathering to welcome its first members.


OTHER MEANINGS

2. The first official meeting of a group or organization.

The inaugural gathering of the new committee took place on Monday.

3. A festive event that marks the beginning of a project or season.

Fans attended the inaugural gathering before the team's first game.

4. A formal ceremony to introduce a new leader or official.

The mayor's inaugural gathering drew a large crowd.