informal meeting; get-together (for a chat); gathering (for discussion)
colloquium; panel discussion; discussion session
来週、保護者との懇談会が開かれる。
A meeting with the parents will be held next week.
懇談会では率直な意見交換が行われた。
At the get-together, candid exchange of opinions took place.
校長先生を招いて地域住民との懇談会を開いた。
We invited the principal and held a get-together with local residents.