exemplary
US /ɪɡˈzem.plɚ.i/
UK /ɪɡˈzem.plɚ.i/

1.
serving as a desirable model; very good
:
•
Her dedication to the project was exemplary.
•
The school has an exemplary record of academic achievement.
2.
serving as a warning or deterrent
:
•
The judge imposed an exemplary fine to deter others.
•
His punishment was meant to be exemplary.