The antonyms for the word "musing over" include words like disregarding, ignoring, neglecting, overlooking, dismissing, rejecting, accepting, concluding, and deciding. Disregarding is the act of ignoring or paying no attention to something, while ignoring means to intentionally avoid acknowledging something. Neglecting suggests a lack of care or attention. Overlooking is to miss or fail to notice something, and dismissing is to reject or disregard something as unimportant or unworthy of consideration. On the other hand, accepting is the opposite of rejecting, concluding is the opposite of musing, and deciding is the opposite of considering things over.