"Dumbo" is a slang term used to describe someone who is foolish or stupid. Antonyms for this word would involve terms that describe intelligence, wisdom, or cleverness. Examples of antonyms for "Dumbo" could include words such as "knowledgeable", "smart", "brilliant", "astute", "sharp", "intelligent", "clever", "wise", "perceptive", "shrewd", and "sensible". These terms serve as descriptors for individuals who possess a high level of intellect, mental agility, and cognitive abilities. Using these antonyms can help to create a more positive and respectful conversation, avoiding derogatory language towards others.