Of the nature of a paradigm; = paradigmatic, adj.

Of a material thing: that is or may be used as a prototype or pattern; intended as a model or guide. Cf. exemplar, n. 1a.

worthy of imitation.

That sets or affords a good example; = exemplary, adj. 1a.

Of the nature of a paradigm; serving as a pattern; exemplary; typical.

That is a model or example; serving or intended to serve as a pattern for imitation; exemplary, ideal. Frequently in model city, model farm, model…

That is typical of a quality or type, or serves to illustrate an assertion, general rule, etc. Also: that sets or affords a good example.