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.
Willingness or generosity in providing something needed.
They received free advertising through the courtesy of the local newspaper.
A curtsey.
The life interest that the surviving husband has in the real or heritable estate of his wife.