" courteousness "

1: speech or behavior that is a sign of good breeding;

  * e.g., " ... a gentleman of unfailing courteousness "

•  Synonyms : 

•  civility,

•  courtesy,

•  genteelness,

•  gentility,

•  graciousness,

•  mannerliness,

•  politeness

•  Antonyms : 

•  discourteousness,

•  discourtesy,

•  impoliteness,

•  incivility,

•  rudeness,

•  surliness,

•  ungraciousness

1: showing consideration, courtesy, and good manners;

  * e.g., " ... their customer service department always gives courteous responses, even to rude people "

•  Synonyms : 

•  civil,

•  genteel,

•  gracious,

•  mannerly,

•  polite,

•  well-bred

•  Antonyms : 

•  discourteous,

•  ill-bred,

•  ill-mannered,

•  impolite,

•  inconsiderate,

•  mannerless,

•  rude,

•  thoughtless,

•  uncivil,

•  ungenteel,

•  ungracious,

•  unmannered,

•  unmannerly