† inviˈtatorObs. [a. L. invītātor, agent-n. from invītāre to invite.] = inviter. 1603Harsnet Pop. Impost. 2 The gentle invitator of us to come and see his wonders.1642Declar. Lords & Comm. to Gen. Ass. Ch.Scot. 13 When invitators shall be sent to any of them.