complimentary ticket

I smiled, and said, 'This work of Nature is not on exhibition this evening; when it is, I will send you a complimentary ticket.'

Admission by complimentary ticket is not taxable if no indirect payment is a condition of such admission.

"I hope in a day or two to get a complimentary ticket for you, Mr. Brent," he said.

Having paid the authorities ten dollars, and honored every Alderman with a complimentary ticket, who has a better right?

Would you care to have a complimentary ticket and watch the games?