Dictionary
in•vi•ta•tion•al
Pronunciation: (in"vi-tā'shu-nl), [key]—
adj.
restricted to participants who have been invited:
an invitational track meet.
—
n.
an event, as a sports competition or an art exhibit, restricted to those who have been invited to participate.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.