Paragon

TEXTBOOK EXAMPLE

Think of a phrase used to describe something so perfect it could be used as a standard model in education.

Paragon" means the perfect model of something, and that’s exactly what a "textbook example" is—a flawless representation used for teaching or reference. The clue plays on the idea of an ideal standard, where "textbook" implies something so clear and correct it could be in a lesson. No wordplay here, just a direct synonym with a slight twist in phrasing to fit the crossword’s style.