お呼ばれ

およばれ【お呼ばれ】

invitation; being invited 《to a dinner, reception, etc.》.

●娘はお友達の誕生会のお呼ばれに行っています. My daughter's been invited out to a friend's birthday party.

●お呼ばれの席上で at a venue where one is an invited guest.

●今夜は先生のお宅にお呼ばれだ. Tonight I'm invited over [I have an invitation] to my professor's house.