masterful

Etymology
From, , equivalent to.

Adjective

 * 1) Of or pertaining to the manner of a master of an art, technique, profession, or craft; masterly.
 * The brushwork on the skin tones was masterful.
 * 1) In the manner of a master; very skillful.
 * The masterful conducting ensured the orchestra gave of their best.
 * 1)  Having or showing the qualities of a master vis-a-vis a dependent or subordinate; authoritative; domineering.
 * 2) * 1908, E. M. Forster, A Room with a View, Chapter 18, Lucy to Mr. Beebe about Cecil:
 * ...it was that he is so masterful. I found that he wouldn't let me go my own way.
 * 1) * 1908, E. M. Forster, A Room with a View, Chapter 18, Lucy to Mr. Beebe about Cecil:
 * ...it was that he is so masterful. I found that he wouldn't let me go my own way.
 * ...it was that he is so masterful. I found that he wouldn't let me go my own way.

Usage notes
Historically, definition 3 of masterful (authoritative, domineering) has long been losing ground to definitions 1 and 2 (masterly, skillful). In nineteenth century US usage of masterful, definition 3 was almost always meant (10:1). In contemporary US usage, however, the situation is reversed: definitions 1 or 2 are usually meant (10:1).