She was happy to receive an invitation to the party. What are you waiting for, an invitation?
refuse his invitation
I ruefully had to refuse the invitation as I had a prior appointment
The invitation got lost in the mail.
surprisingly I accepted the elderly gentleman's invitation
It is not acceptable to be unable to use acceptable in a sentence.
We received our invitation to the Douglas wedding.
That's a very beautifully written formal invitation.
Her failure to respond to the invitation showed a lack of etiquette.
It was presumptuous of the boy to simply show up at the party without an invitation. The presumptuous squire had borrowed his mentor's suit of armor for the tournament.
The French word for "invitation" is (drum roll, please): "invitation."
Please RSVP before xx/xx/2010.
You can use the word Truss in a sentence like this.