Masterful

• (a.) Having the skill or power of a master; indicating or expressing power or mastery. • (a.) Inclined to play the master; domineering; imperious; arbitrary.
Found on http://thinkexist.com/dictionary/meaning/masterful/

Masterful

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.
Found on http://www.encyclo.co.uk/webster/M/30

masterful

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.
Found on http://www.wordinfo.info/words/index/info/view_unit/4069/
No exact match found