COURTESY

Polite behavior.

"He was always known for his grace, kindness, and courtesy to people of every rank."

A polite gesture or remark, especially as opposed to an obligation or standard practice.

"I offered them a ride simply as a courtesy."

Consent or agreement in spite of fact; indulgence.

"They call this pond a lake by courtesy only."

Given or done as a polite gesture.

"We paid a courtesy visit to the new neighbors."

Supplied free of charge.

"The event planners offered courtesy tickets for the reporters."

To make a curtsey.

"The hotel's staff variously curtsied, nodded, and bowed to the owner as she passed."