The word "invitee" is correct and usable in written English.
You can use it to refer to someone who has been invited to an event or gathering, as in the sentence: "The wedding invitees were treated to a delicious three-course meal."
Their representatives were present on the convention floor, but not on the 12-person presidium that did the crucial work of drafting the text although the presidium was eventually shamed into adding an "invitee" from mighty Slovenia to its numbers.
But if the invitee replies "I don't know" or "Spam", this is recorded against the inviter, whose account may ultimately be restricted or closed.
The PR company was also accused of the practice of "meatpuppetry", where a user with a false identity is invited into an online discussion simply to support the argument of the invitee.
Iran, and how to handle it, is obviously the immediate focus of President Obama's summit here with leaders of the Gulf states – and the absence of the most important invitee, King Salman of Saudi Arabia, is a sign that these traditional US allies are not best pleased with Mr Obama's apparent determination to secure a nuclear deal with Tehran.
One girl misguidedly pointed to the cross-legged comedian, and said he would be her premier invitee.
This fantasy was provoked by the actual circumstance of former-N.B.A. star Michael Jordan arriving in Sarasota this spring as a non-roster invitee to the White Sox' spring training camp.
Obama delivered a strong, and much needed, defense of the Affordable Care Act, invoking another White House invitee, Amanda Shelley, who signed up for her new health coverage on January 1st, got sick two days later, and needed emergency surgery on January 3rd.
The usual exception is when the invitee is not close to the bride, groom or their families, or has been out of touch for a number of years, and sends their regrets.
The invitation envelopes were clearly marked with only the name of the invitee, with no "and guest".
The Yankees still have two other nonroster left-handers in camp, including Cesar Cabral, who was taken by the Yankees from the Red Sox organization in the Rule 5 draft, and Mike O'Connor, a nonroster invitee who pitched for the Mets last year.
Cole Aldrich, a 6-foot-11 center who made the team as a nonroster invitee to training camp, has not appeared in a game.
