'professionalize' definitions:

Definition of 'professionalize'

From: WordNet
verb
Become professional or proceed in a professional manner or in an activity for pay or as a means of livelihood [syn: professionalize, professionalise]
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" [syn: professionalize, professionalise]