The antonyms for the term 'coarse words' can be numerous phrases and words that are polite, kind, respectful, and gentle. Examples of these antonyms include terms like courteous speech, refined language, sophisticated expression, tactful conversation, and civilized tone. The use of such language and expressions can suggest a sense of decorum, refinement, and kindness in communication. It is essential to remember that words can have a powerful impact on others, so it's better to use language that elevates and inspires than one that is derogatory and hurtful. Employing polite and respectful language can help enhance communication, strengthen relationships, and foster peace and harmony in society.