adverb (r)

• with competence; in a competent capable manner(adv.all)

  Example:
  They worked competently.
  

  Synonym:
  ably, aptly, capably
  Antonym:
  displaying incompetence, incompetently
  

  source: wordnet30
• In a competent manner; adequately; suitably.(adverb)

  source: webster1913