An important invitee is someone who is deemed significant or essential to an event or gathering. However, there are many other words that can be used interchangeably to describe such an individual. For instance, a distinguished guest, high-profile attendee, or VIP guest may be used to refer to someone who is considered important enough to warrant a special invitation. Other synonyms for important invitee include celebrity, luminary, key player, notability, and heavyweight. Whether you are planning a party, conference, or any event that requires the presence of significant individuals, using these synonyms will add variety and interest to your communication.