The term "balance of mind" refers to a state of mental stability and equanimity. It conveys a sense of calmness and composure, and is often associated with mental wellness and well-being. There are several synonyms for "balance of mind" that express similar concepts, such as mental equilibrium, inner harmony, mental poise, mental serenity, and peace of mind. These terms suggest a state of inner balance and self-awareness, and are often used to describe a person who is able to maintain a positive, resilient mindset even in challenging situations. Achieving and maintaining a balance of mind is essential for good mental health and happiness.