The term badmannered is used to describe someone who is rude, impolite and lacks basic etiquettes. Some of the antonyms for badmannered include courteous, well-behaved, polite, respectful, considerate, attentive, diplomatic, thoughtful, gracious and charming. A person who is courteous is polite and respectful towards others. A well-behaved individual is disciplined and follows social norms. A polite person has good manners and is considerate of others. Respectful individuals show consideration for other's feelings and beliefs. Considerate people think about others and are empathetic. Attentive people are closely observant and responsive. Diplomatic persons are tactful and skillful in dealing with others. Thoughtful people are kind and considerate.