excellence of manners or social conduct; polite behavior.

a courteous, respectful, or considerate act or expression.

indulgence, consent, or acquiescence

a colonel by courtesy rather than by right.

favor, help, or generosity

The costumes for the play were by courtesy of the local department store.

a curtsy.

done or performed as a matter of courtesy or protocol

a courtesy call on the mayor.

offered or provided free by courtesy of the management

While waiting to board the airplane, we were provided with courtesy coffee.

noun

bad manners , discourtesy , impoliteness , pompousness , rudeness , unmannerliness , disfavor , disregard

noun

address , affability , amenities , amiability , attentiveness , ceremony , chivalry , civility , comity , complaisance , consideration , cordiality , courteousness , courtliness , cultivation , culture , deference , elegance , familiarity , favor , friendliness , gallantness , gallantry , generosity , geniality , gentleness , good behavior , good breeding , graciousness , indulgence , kindness , polish , politeness , refinement , respect , reverence , solicitude , suavity , sympathy , tact , thoughtfulness , urbanity , accommodation , benevolence , bounty , charity , compassion , consent , dispensation , liberality , service , unselfishness , genteelness , gentility , mannerliness , politesse , pleasantry , propriety , beau geste , compliment , amenity , curtsy , devoir , gratuity , homage , obsequence , obsequiousness , protocol , servility