1. A skill or ability in something, proficiency; expertness. 2. One who is a master of a body of knowledge and has his skills to such a degree that he can produce his products consistently and of the highest quality. 3. The quality of design and work shown in something made by hand; craft, artistry, artisan. 4. An artist.
1. Having full power and control over a subject or area. 2. The knowledge and skill of a master. 3. Being able to consistently produce products of excellent quality. 4. Victory or superiority. 5. Mastery motivation is a psychological force that stimulates an individual to attempt to gain competency over a challenging problem, skill, task, or subject matter and to focus on it in a persistent manner until successful.