'Professionalism' definitions:

Definition of 'professionalism'

From: WordNet
noun
The expertness characteristic of a professional person

Definition of 'Professionalism'

From: GCIDE
  • Professionalism \Pro*fes"sion*al*ism\, n. The following of a profession, sport, etc., as an occupation; -- opposed to amateurism. [1913 Webster]