Addlepate is a term used to describe someone who is foolish or mentally confused. Some antonyms for addlepate include astute, clever, intelligent, sharp, and smart. These words denote someone who is rational, clear-minded, and capable of making sound decisions. The opposite of an addlepate would be someone who is shrewd, quick-witted, and mentally agile. They possess good judgment and are able to think critically when making decisions. Unlike the addlepate, they are not easily confused or led astray. By using strong antonyms like astute or clever, we can clearly convey the opposite meaning of addlepate and highlight the importance of rational thinking and decision-making.