Definition of invitations:
(n) :
The act of inviting; solicitation; the requesting of a person's company.
(n) :
A document or verbal message conveying an invitation.
(n) :
Allurement; enticement.
(n) :
(bridge) A bid that tells one's partner that game or slam is likely if their hand is at the strong end of what they have indicated.
(n) :
(fencing) A line that is intentionally left open to encourage the opponent to attack.
(n) :
(Christianity) The brief exhortation introducing the confession in the Anglican communion-office.