Agreeableness is one of the Big Five factors of personality, used by modern psychological researchers to describe and assess how well a person works and interacts with others.
Highly Agreeable people are generally easy to get along with and work harmoniously with others. They are trusting, generous, and caring. Those who score low in the area of Agreeableness are independent, decisive, and highly pragmatic. Women tend to score higher for Agreeableness than men.
Your level of Agreeableness helps you to assess your ability to work well with others, your levels of optimism, especially with regard to other people, and your tendency to empathize with and respond to the needs of others.