the advancement of skills or expertise to succeed in a particular profession, esp. through continued education
They got a day off when the teachers had a professional development day.
We want to get involved in professional development, teacher training, helping them develop lesson plans.
I see now clearly enough why a certain kind of man, like Sir Almroth Wright, resents the professional development of women.
An instance of this sort of professional development among the Negroes appears in the case of the barber, Joseph Ferguson.