recreational get-together; social gathering for relaxation
A meeting or party held to provide relaxation and enjoyment, often for a group such as coworkers or club members. Can imply a break from routine or a morale-boosting event.
We went to a hot spring for the company recreational outing.
We held a social gathering and had a good time together.
親睦会 is similar to 懇親会, stressing friendly relations, whereas 慰安会 is more about providing comfort and enjoyment.
Compound of 慰安 (comfort, recreation) and 会 (meeting, gathering). The exact historical derivation is uncertain, but the word follows a common pattern for naming social events.