A person with a "balanced personality" is often described as having an even-keeled disposition. Other words that could be used as synonyms for this phrase include stable, level-headed, even-tempered, and composed. These qualities suggest a person who is able to remain calm and rational in the face of stress, making decisions based on rational thought rather than emotions. Additionally, they are often seen as dependable, reliable, and trustworthy, with a strong sense of self-awareness and a firm understanding of their own values. Overall, a person with a balanced personality is considered to be a positive influence on those around them, helping to create a sense of calm and stability in any situation.