invitation
in.vi.ta.tion \.in-v*-'ta--sh*n\ \-shn*l, -sh*n-*l\ n 1a: the act of inviting 1b: an esp. formal request to be present or participate 2: INCENTIVE, INDUCEMENT - in.vi.ta.tion.al aj
Webster's English Dictionaryin.vi.ta.tion \.in-v*-'ta--sh*n\ \-shn*l, -sh*n-*l\ n 1a: the act of inviting 1b: an esp. formal request to be present or participate 2: INCENTIVE, INDUCEMENT - in.vi.ta.tion.al aj