conference · noun C /ˈkɑn.fə.rəns/
conference
B1 a large, formal meeting, often lasting a few days, where people discuss their work, politics, subjects they are studying, etc.
Dictionary examples:
a conference on women's rights
the annual sales conference
They frequently hold conferences at the hotel.
I'm speaking at/attending a conference next week.
Learner example:
As you know, I went to Canada in order to take part in an environmental conference. (Preliminary English Test; B1; Catalan)