Antonyms for "more foolishly" have opposite meanings and can be used to describe a situation or action that is intelligent, wise, or shrewd. Some antonyms for "more foolishly" include cleverly, prudently, astutely, sensibly, diligently, carefully, judiciously, and wisely. These words can be used to describe people who make wise decisions, use sound judgment, and think things through before acting. They can also be used to describe situations or actions that are well-planned, effective, and successful. By using antonyms for "more foolishly," one can add depth and nuance to their writing, and convey a more precise meaning.