practitioner

from WordNet (r) 3.0 (2006)
practitioner
    n 1: someone who practices a learned profession [syn:
         {practitioner}, {practician}]
from The Collaborative International Dictionary of English v.0.48
Practitioner \Prac*ti"tion*er\, n. [From {Practician}.]
   1. One who is engaged in the actual use or exercise of any
      art or profession, particularly that of law or medicine.
      --Crabbe.
      [1913 Webster]

   2. One who does anything customarily or habitually.
      [1913 Webster]

   3. A sly or artful person. --Whitgift.
      [1913 Webster]

   {General practitioner}. See under {General}, 2.
      [1913 Webster]
from Moby Thesaurus II by Grady Ward, 1.0
22 Moby Thesaurus words for "practitioner":
      actor, agent, architect, author, creator, doer, executant,
      executor, executrix, fabricator, maker, medium, mover, operant,
      operative, operator, performer, perpetrator, prime mover, producer,
      subject, worker
antiflux / dictionary / practitioner
[email protected]