A party, banquet, or reception where people gather to eat and drink; used for formal or informal group gatherings.
忘年会の宴会は金曜日に予定されている。
The year-end party is scheduled for Friday.
宴会の席では礼儀正しく振る舞うことが大切だ。
It's important to behave politely at a banquet.
会社の宴会で部長が挨拶をした。
At the company's banquet, the manager gave a speech.