adjective (a)

• having or showing or requiring special skill(adj.all)

  Example:
  Only the most skilled gymnasts make an Olympic team.
  A skilled surgeon has many years of training and experience.
  A skilled reconstruction of her damaged elbow.
  A skilled trade.
  

  Antonym:
  unskilled
  

  source: wordnet30
• Having familiar knowledge united with readiness and dexterity in its application; familiarly acquainted with; expert; skillful; -- often followed by in; as, a person skilled in drawing or geometry.(adjective)

  source: webster1913