1That sets or affords a good example; exemplary.
2In predicative use with of. Serving as evidence or an illustration of an assertion, general rule, etc. Later also: that is typical, or an embodiment, of a quality or type.
Late 15th century; earliest use found in Robert Henryson (d. c1490), poet. From post-classical Latin exemplativus exemplary, archetypal from exemplat-, past participial stem of exemplare + classical Latin -īvus.