Quick definitions from WordNet (professionalize)
▸ verb: make professional or give a professional character to ("Philosophy has not always been professionalized and used to be a subject pursued only by amateurs")
▸ verb: become professional or proceed in a professional manner or in an activity for pay or as a means of livelihood
▸ Also see professionalize
▸ verb: make professional or give a professional character to ("Philosophy has not always been professionalized and used to be a subject pursued only by amateurs")
▸ verb: become professional or proceed in a professional manner or in an activity for pay or as a means of livelihood
▸ Also see professionalize