practitioner Meaning, Definition & Usage

  1. noun someone who practices a learned profession
    practician.

WordNet

Prac*ti"tion*er noun
Etymology
From Practician.
Definitions
  1. One who is engaged in the actual use or exercise of any art or profession, particularly that of law or medicine. Crabbe.
  2. One who does anything customarily or habitually.
  3. A sly or artful person. Whitgift.

Webster 1913