Professionalised is a term commonly used to describe the process of making something more professional. However, there are various synonyms that can be used to convey the same meaning. One of the most common synonyms is "standardized," meaning to bring something up to a standard level of professionalism. Other synonyms include "specialized," referring to the process of making something more specialized and therefore more professional, and "institutionalized," referring to the introduction of institutional standards and procedures to make something more professional. Essentially, any term that implies a process of making something more professional could be a suitable synonym for "professionalized".