Verb
make professional or give a professional character to
become professional or proceed in a professional manner or in an activity for pay or as a means of livelihood
Source: WordNetPhilosophy has not always been professionalized and used to be a subject pursued only by amateurs Source: Internet
In January 1946, TRI (Tentara Republik Indonesia – Republic of Indonesia Army) was formed, in a further step to professionalise the army and increase its ability to engage systematically. Source: Internet
While most soldiers are not currently formally qualified for their rank, there are determined moves to professionalise the army after the restructure is complete. Source: Internet