masterfully
1. [ adverb ] in a skillfully masterful manner; with the skill of a master
Examples:

"the young boy played the violin sonata masterfully"

Related terms: consummate consummate
2. [ adverb ] in a domineering and masterful manner
Examples:

"his gaze held hers masterfully"

Related terms: imperious imperious
Similar spelling:   masterful
  masterly
  masseter
  masterless
  master_key
  master_plan
  master_file
  master_copy
  mastered
  master_class
  Masterson
  Masterman
  mastering