define professional development'
professional development noun [U]. âº âtraining that is given to âmanagers and âpeople âworking in âprofessions to âincrease their âknowledge and âskills: All âemployees are expected to âundertake continuing âprofessional âdevelopment. The âconvention will be a terrific âvenue for âbusiness âskills âtraining and âprofessional âdevelopment.