Origin: Greek suffix -ism
Professionalism has 2 different meanings across 1 category:
the expertness characteristic of a professional person
"The surgeon's flawless technique during the emergency operation was a true testament to her professionalism."
The status, methods, character or standards expected of a professional or of a professional organization, such as reliability, discretion, evenhandedness, and fair play.
"The team's reputation for professionalism was evident when they handled the client's confidential data with complete discretion during the crisis."