[ in-vi-tey-shuh-nl ]
/ ˌɪn vɪˈteɪ ʃə nl /
restricted to participants who have been invited: an invitational track meet.
an event, as a sports competition or an art exhibit, restricted to those who have been invited to participate.
The Oldest Abbreviations In EnglishIn the age of LOL, WTF, and OMG, abbreviations are often looked at as a sign of the coming apocalypse. (Spoiler: LOL, WTF, and OMG are not the oldest abbreviations in English—you're shocked, we know.)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for invitational
According to invitational veteran Alex Brown, of the Hot Knives Kitchen, winning is about keeping it simple.
"Just tell them it's a super-private party, invitational only," I said.Little Brother|Cory Doctorow