vorbildlich
exemplary
So good that it can serve as a model or example for others; exemplary and worth imitating.
Ihr Engagement für das Projekt war absolut vorbildlich.
Her commitment to the project was absolutely exemplary.

exemplary
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exemplary
So good that it can serve as a model or example for others; exemplary and worth imitating.
Ihr Engagement für das Projekt war absolut vorbildlich.
Her commitment to the project was absolutely exemplary.

The word is made up of 'Vorbild' (role model) and the ending '-lich' (-ly / -like). A 'Vorbild' is a role model. Something that is 'vorbildlich' (exemplary) is therefore so good that it can serve as a model.
Sein Verhalten gilt als Vorbild für die ganze Mannschaft.
His behavior is considered a model for the whole team.
'Vorbildlich' (exemplary) can stand as an adjective before a noun, describe a verb as an adverb, or be used on its own with 'sein' (to be). It is therefore very flexible in use.
Sie ist eine vorbildliche Schülerin.
She is an exemplary student.
The adjective is often used to positively evaluate behavior, work, or personal qualities. Typical combinations are 'vorbildliches Verhalten' (exemplary behavior), 'vorbildlicher Einsatz' (exemplary dedication), or 'vorbildliche Arbeit' (exemplary work).
Er zeigte bei der Rettungsaktion einen vorbildlichen Einsatz.
He showed exemplary dedication during the rescue operation.
exemplary / by way of example
'vorbildlich' and 'beispielhaft' can both describe something that is so good that others can use it as a model. In this meaning, they are very similar. 'vorbildlich' sounds especially natural when praising behavior, effort, or orderliness. 'beispielhaft' also fits good behavior or good performance and can sound a bit more factual. The important point is: 'beispielhaft' can also mean 'mentioned as an example', but that meaning is not intended here. In many situations involving praise, you can use both words.

Ali arbeitet im Büro vorbildlich und hilft neuen Kollegen geduldig.
Ali works in the office in an exemplary way and patiently helps new colleagues.
Nach dem Unterricht hat die Klasse den Raum beispielhaft aufgeräumt.
After class, the class tidied up the room in an exemplary way.