The phrase "making light of" means to treat a serious matter as if it is not important or significant. There are several antonyms for this expression, such as taking seriously, giving weight to, acknowledging the seriousness of, and addressing with gravity. These antonyms convey the opposite meaning of making light of, indicating that the matter in question is crucial and should not be trivialized. When we take something seriously, we show that we understand and appreciate its importance, and we are willing to devote the necessary time, attention, and resources to deal with it adequately. Therefore, it is essential to recognize the antonyms of "making light of" to communicate effectively in various situations.