The antonyms for the phrase "most ill-judged" are, in essence, words that denote qualities that are the opposite of those that the original phrase represents. The opposites of "most ill-judged" are words like "wise," "appropriate," "thoughtful," "sensible," "prudent," "sound," "judicious," or "intelligent." These words imply that the decision or action in question was wise, logical or sensible, appropriate and highly regarded. Given these antonyms, one can be sure that the decisions taken were well-considered, and thoughtfully made, rather than rash, ill-considered, and poorly executed.