1. The act of inviting; solicitation; the requesting of a person's company; as, an invitation to a party, to a dinner, or to visit a friend.
2. A document written or printed, or spoken words, conveying the message by which one is invited.
3. Allurement; enticement. [R.]
She gives the leer of invitation. --Shak.
n 1: a request (spoken or written) to participate or be present
or take part in something; "an invitation to lunch";
"she threw the invitation away"
2: a tempting allurement; "she was an invitation to trouble"