1. 7 synonyms for Courteousness: civility, courtesy, genteelness, gentility, mannerliness, politeness, politesse

2. Antonyms for Boorishness include courteousness, gentility, politeness, civility, courtesy, graciousness, genteelness, mannerliness, considerateness and politesse

3. Synonyms for Courteousness include civility, courtesy, genteelness, gentility, graciousness, mannerliness, politeness, consideration, gallantry and manners

4. Antonyms for Crudeness include cultivation, genteelness, gentility, polish, refinement, tastefulness, delicacy, politeness, civility and courtesy

5. Antonyms for Coarseness include softness, cultivation, genteelness, gentility, polish, refinement, tastefulness, sophistication, delicacy and manners