exemplify

To show or illustrate by example.

To be an instance of or serve as an example.

[T]he pleasure of writing on wax with a stylus is exemplified by the fine, flowing hand of a Roman scribe who made out the birth certificate of Herennia Gemella, born March 128 AD.

Of course, closure of the West station took away the hotel's raison d'être. In May 2012, the local newspaper reported that this historic hotel, by then rated the town's worst (exemplified by its final review: "Please avoid at all costs"), was to be converted into 31 first-time-buyer one-bedroom flats.

To make an attested copy or transcript of (a document) under seal.

To prove by such an attested copy or transcript.