A person or thing serving as a typical example or excellent model. The teacher used the student's essay as an exemplar of how to write a compelling argument.
An original or archetype that serves as a model for others to follow or imitate. The ancient manuscript was considered an exemplar for all subsequent copies.
A copy of a book, manuscript, or other text, especially one preserved in a library or archive. The museum owns an exquisitely illuminated exemplar of the medieval chronicle.