The word 'un-hinging' refers to the act of destabilizing or unhinging someone's emotional or mental state. The antonym for this word would be 'stabilizing' or 'balancing'; the opposite of causing someone to become emotionally or mentally unstable. Other antonyms may include terms such as 'calming', 'soothing', 'settling', and 'restoring'. These words suggest a positive influence on one's emotional or mental state, helping to bring balance and peace to their thoughts and feelings. Antonyms for 'un-hinging' are desired characteristics of a supportive and caring environment, whether at home, work, or within oneself.