Found 2 items, similar to invitational.
English → English (WordNet) Definition: invitational invitational adj : only invitees are welcome; “an invitational tournament”
English → English (gcide) Definition: invitational invitational \invitational\ adj. open only to persons issued an invitation; -- of gatherings, usually sports events; as, an invitational tournament. Syn: invitation(prenominal). [WordNet 1.5]