The opposite of "de-ranged" is "normal" or "sane". These words indicate a state of mental and emotional stability, rather than the feeling of confusion and chaos that "de-ranged" implies. Other antonyms for "de-ranged" might include "orderly", "organized", or "controlled", all of which suggest a sense of logic and structure. By contrast, "de-ranged" suggests a feeling of disorder and irrationality, implying a lack of control over one's thoughts and behavior. Overall, the antonyms for "de-ranged" emphasize the importance of stability and balance in our lives, and the need to maintain a healthy and orderly state of mind.