The word "most appalled" indicates a sense of extreme shock, disgust or horror. The antonyms of "most appalled" would be words that express the opposite of these feelings. Such words would include "satisfied", "pleased", "happy", "excited", "relaxed" and "content". These antonyms convey a sense of calm and positivity, instead of the distress and discomfort conveyed by "most appalled". If someone is "most appalled" by something, they are likely to find the antonyms very desirable. In short, while "most appalled" signifies a negative emotion, its antonyms express positive emotions that we all seek.