Honorary

Definition:

(a.) A fee offered to professional men for their services; as, an honorarium of one thousand dollars.
(a.) An honorary payment, usually in recognition of services for which it is not usual or not lawful to assign a fixed business price.
(a.) Done as a sign or evidence of honor; as, honorary services.
(a.) Conferring honor, or intended merely to confer honor without emolument; as, an honorary degree.
(a.) Holding a title or place without rendering service or receiving reward; as, an honorary member of a society.

Compare honorary with other words:

gratis vs. honorary