The phrase "dumb tricks" amplifies foolishness and childish behavior. The antonyms for "dumb tricks" would include words like intelligence, maturity, and wisdom. These terms signify sound judgment, discretion, and practicality in dealing with life's situations. It's quite usual for children to engage in imprudent acts, but it's not acceptable for adults to engage in such foolishness. Sometimes, such behavior may lead to grave or dangerous consequences. So, it's essential to steer clear of such actions and make rational choices. In conclusion, wisdom, maturity, and intelligence are antonyms for "dumb tricks," and these traits showcase a person's smart and thoughtful decisions.