pro‧fes‧sion‧al‧is‧m AC /prəˈfeʃənəlɪzəm/ noun [uncountable]
[Word Family: noun: profession, professional, professionalism; adverb: professionally, unprofessionally; adjective: professional ≠ unprofessional]

1. the skill and high standards of behaviour expected of a professional person:
the dedication and professionalism of our staff

2. British English the practice of using professional players in sports:
Professionalism has raised the standard of rugby immensely.

[TahlilGaran] Dictionary of Contemporary English ▲