The term "Mature (Adult)" refers to an individual who has reached full physical and psychological development, typically recognized as being 18 years or older. This stage of life is characterized by increased independence, responsibility, and the ability to make informed decisions. Adults often engage in various roles, such as employee, parent, or citizen, contributing to society in diverse ways. Maturity also encompasses emotional growth, where individuals develop skills like empathy, self-regulation, and effective communication. Adults are expected to navigate complex social situations and relationships, often requiring critical thinking and problem-solving abilities. This stage is essential for personal and professional development.