noun, noun or participle which takes 'suru'
Honorific form of 一緒, used when referring to the actions of someone you respect or when politely inviting someone to do something together.
See also: 一緒
明日、ご一緒にランチはいかがですか。
Would you like to have lunch together tomorrow?
部長とご一緒に会議に出席しました。
I attended the meeting together with the department head.