1) Able 2) Adept 3) Consummate 4) Domineering 5) Expert 6) Imperious 7) Masterly 8) Skilled 9) Virtuoso 1) Consummate 2) Domineering 3) Masterly 4) Skilled 5) Virtuoso 
• (a.) Having the skill or power of a master; indicating or expressing power or mastery. • (a.) Inclined to play the master; domineering; imperious; arbitrary.
Mas'ter·ful adjective 1. Inclined to play the master; domineering; imperious; arbitrary. Dryden. 2. Having the skill or power of a master; indicating or expressing power or mastery. « His masterful , pale face.» Mrs. Browning. 
masterful 1. Having or revealing supreme mastery or skill. 2. Demonstrating exceptional skill or ability. 3. Showing the ability or tendency to lead others. 4. Fit to command.