She loved the masterfulness of his tone.
"The Literary Sense"
E. Nesbit
And also, she to stir me odd whiles unto masterfulness; and so you to know pretty well how it did be with me in the matter.
"The Night Land"
William Hope Hodgson
There was usually a look of masterfulness in the firm lines of his face, the straight, direct glance, the stiff, close-cut moustache.
"Swirling Waters"
Max Rittenberg