Exemplar (noun)

1. A typical example of something.
2. A model or pattern to be copied or imitated.

Origin:

Late middle english (in the sense "model, pattern"): from latin exemplar, from exemplum "a sample, specimen" (see example).

Examples:

1. His speeches were seen as an exemplar of political rhetoric.
2. The building was an exemplar of modernist architecture.
3. This performance will be held up as an exemplar of excellence.
4. The team is an exemplar of how to work together.
5. The company's customer service policies are held up as an exemplar in the industry.