Exemplary (adjective)

1. Serving as a desirable model; worthy of imitation.
2. Outstandingly good of its kind.

Origin:

Late middle english: via old french from latin exemplaris, from exemplum (see example).

Examples:

1. His behavior was exemplary.
2. She set an exemplary standard for the rest of the team.
3. The company's performance was exemplary.
4. The student's work was exemplary and received high praise.
5. The company's safety record was exemplary.