courtesy

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Polite behavior.
2. n. A polite gesture or remark.
3. n. Consent or agreement in spite of fact; indulgence: They call this pond a lake by courtesy only.
4. n. Willingness or generosity in providing something needed: free advertising through the courtesy of the local newspaper.
5. adj. Given or done as a polite gesture: paid a courtesy visit to the new neighbors.
6. adj. Free of charge: courtesy tickets for the reporters.

Century Dictionary and Cyclopedia

1. n. Courtliness or elegance of manners; politeness; civility; complaisance; especially, politeness springing from kindly feeling.
2. n. An act of civility or respect; an act of kindness, or a favor done with politeness; a gracious attention.
3. n. A gesture of reverence, respect, or civility: formerly used for both sexes; now, in a restricted sense, a kind of obeisance made by a woman, consisting in a sinking or inclination of the body with bending of the knees: in this sense now usually pronounced and often written curtsy (kėrt′ si), Scotch also curchie.
4. n. Favor; indulgence; allowance; common consent; conventional as distinguished from legal right: as, a title by courtesy; the courtesy of England. See phrases below.
5. n. The custom of confirming the nomination to an office by the President of a member or former member of the Senate without the usual reference to a committee.
6. To make a gesture of reverence, respect, or civility; make a courtesy: now said only of women.
7. To treat with courtesy or civility.
8. n. Naval, the interchange of official visits and salutes when a war-ship enters a foreign port.

Wiktionary

1. n. uncountable Polite behavior.
2. n. countable A polite gesture or remark.
3. n. uncountable Consent or agreement in spite of fact; indulgence.
4. n. uncountable Willingness or generosity in providing something needed.
5. adj. Given or done as a polite gesture.
6. adj. Free of charge.

GNU Webster's 1913

1. n. Politeness; civility; urbanity; courtliness.
2. n. An act of civility or respect; an act of kindness or favor performed with politeness.
3. n. Favor or indulgence, as distinguished from right.
4. n. An act of civility, respect, or reverence, made by women, consisting of a slight depression or dropping of the body, with bending of the knees.
5. v. To make a respectful salutation or movement of respect; esp. (with reference to women), to bow the body slightly, with bending of the knes.
6. v. obsolete To treat with civility.

WordNet 3.0

1. n. a courteous or respectful or considerate remark
2. n. a courteous manner
3. n. a courteous or respectful or considerate act