from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. In a masterful manner; in an extremely confident and competent manner.
from the GNU version of the Collaborative International Dictionary of English
- adv. In a masterful manner; imperiously.
from The Century Dictionary and Cyclopedia
- In a masterful or imperious manner.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adv. in a skillfully masterful manner; with the skill of a master
masterful + -ly (Wiktionary)