Well-judged is an adjective that describes a decision or action that is considered to be wise, sensible, and prudent. It is often used to describe a decision that has been made after careful consideration of all the facts and circumstances. SANE is an adjective that means having sound mental health and being rational and sensible. Therefore, well-judged can be seen as a synonym for SANE, as it implies that the decision or action taken was done so with sound judgement and rationality.