social gathering
social affair

Because he had sat on the edge of so many social gatherings, not quite.

There used to be cultural programs and social gatherings very often.

She'd met a few men like that at social gatherings.

A social gathering during which the guests play party games.

"And what is everybody talking about at all these social gatherings?"

They returned with the group for a social gathering at the home of one couple.

It is used as a community center for social gatherings.

Most view the weekend as a social gathering rather than a special interest event.

A few days after the election, she held a social gathering for 50 in her home.

It is both a social gathering and a study group.