The phrase "high degree of professionalism" means that someone is very skilled, responsible, and behaves in a courteous and ethical manner in their work or field. Full definition
Excellent manager of large and small engineering teams with high degree of professionalism. (livecareer.com)
The site has maintained high degree of professionalism since it's quite simple to chat with them and figure out the profiles of the unique Russian brides. (kiwibox.com)
To act as an effective role model in demonstrating the excellent interpersonal skills and high degree of professionalism expected from all the staff. (walrathrecruiting.com)