expression, godan verb (-ru)
take part in a conference; participate in a meeting
Used for joining or participating in a formal meeting or conference. The verb 加わる implies becoming part of an ongoing group or activity.
明日の会議に加わりますか。
Will you take part in tomorrow's meeting?
彼は重要な会議に加わるために早く来た
He came early to participate in the important conference.