Expert /(ĕks*pẽrt")/

Ex·pert

Expert

a.
  1. Taught by use, practice, or experience, experienced; having facility of operation or performance from practice; knowing and ready from much practice; clever; skillful; as, an expert surgeon; expert in chess or archery.
    A valiant and most expert gentleman.
    What practice, howsoe'er expert In fitting aptest words to things . . . Hath power to give thee as thou wert?

Expert

n.
  1. An expert or experienced person; one instructed by experience; one who has skill, experience, or extensive knowledge in his calling or in any special branch of learning.
  2. A specialist in a particular profession or department of science requiring for its mastery peculiar culture and erudition. (Law)
  3. A sworn appraiser.

Expert

v. t.
  1. To experience. [Obs.]
    Die would we daily, once it to expert.