D defs.my
Entry 2 senses Webster, 1913

Masterful

/măs'-tẽrf-əl/ · Mas·ter·ful · IPA /mˈæstərfəl/
01 a. Inclined to play the master; domineering; imperious; arbitrary.
  1. 1.
    Inclined to play the master; domineering; imperious; arbitrary.
  2. 2.
    Having the skill or power of a master; indicating or expressing power or mastery.
    “His masterful, pale face.” Mrs. Browning.