/in'vi tay"sheuhn/ , n.
1. the act of inviting.
2. the written or spoken form with which a person is invited.
3. something offered as a suggestion: an invitation to consider a business merger.
4. attraction or incentive; allurement.
5. a provocation: The speech was an invitation to rebellion.
adj.
6. invitational.
[ 1590-1600; invitation- (s. of invitatio ), equiv. to invitat ( us ) (ptp. of invitare to INVITE) + -ion- -ION ]