The term "bonehead play" is used to describe an error in judgment or decision-making that is deemed to be foolish or avoidable. Antonyms for this phrase, therefore, would be words that describe actions or decisions that are wise, smart, or strategic. Some possible antonyms for "bonehead play" include: astute move, clever decision, savvy play, shrewd choice, intelligent move, and strategic decision. These words suggest a level of thoughtfulness and foresight that is lacking in a bonehead play, and serve to emphasize the importance of careful consideration and planning when making important decisions.