adverb
- In a skillfully masterful manner; with the skill of a master.
- usage: "the young boy played the violin sonata masterfully"
Masterfully and Commandingly
WordNet 3.0 © 2006 by Princeton University
(adv.) In a masterful manner; imperiously.
Webster's Revised Unabridged Dictionary
(adv.) In a commanding manner.
Webster's Revised Unabridged Dictionary