courtesy

The definition of courtesy is polite behavior and the showing of proper manners or is a polite and socially proper act.

(noun)

An example of courtesy is when you shake hands politely when you meet someone and say please and thank you.
An example of a courtesy is the practice of saying thank you.

See courtesy in Webster's New World College Dictionary

noun pl. courtesies

courteous behavior; gracious politeness
a polite, helpful, or considerate act or remark
an act or usage intended to honor or compliment: a former legislator addressed as “Senator” by courtesy
Obsolete a curtsy

Origin: ME courteisie < OFr curteisie: see courteous

adjective

See courtesy in American Heritage Dictionary 4

noun pl. cour·te·sies

a. Polite behavior.
b. A polite gesture or remark.
a. Consent or agreement in spite of fact; indulgence: They call this pond a lake by courtesy only.
b. Willingness or generosity in providing something needed: free advertising through the courtesy of the local newspaper.

adjective