In a masterful manner; in an extremely confident and competent manner.(adverb)
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Use "masterfully" in a sentence
"What he understands and articulates masterfully is the degree to which people relate without language, simply through the way they behave to and with each other."
"Impressive not only for its content and candor, but because the guy can flat-out write — he turns a phrase masterfully, but also has a talent for finding the illuminating perspective or a telling anecdote."
"And let's make it at least 24 months before a film can be referred to as masterfully or beautifully "restored.""