Sarcastic is a term used to describe a tone of mockery or derision in one's words or actions. Therefore, synonyms for study at sarcastic would involve language that is meant to take the opposite approach. Instead of being mocking and disrespectful, one could use words or expressions that are polite and respectful of others' views. For instance, the terms considerate, thoughtful, or tactful all convey a sense of gentleness and thoughtfulness that contrasts with the often biting tone of sarcastic language. Other synonyms include attentive, sincere, and genuine, which all suggest a sincere interest in learning and understanding, rather than simply looking down on others.