/ ˈmɑːstəfl; NAmE ˈmæstərfl/ adjective
1.
( of a person, especially a man ) able to control people or situations in a way that shows confidence as a leader
2.
= masterly :
a masterful performance
► mas·ter·ful·ly / -fəli; NAmE / adverb :
He took her arm masterfully and led her away.