Tutoring English, vocabulary is always interesting. The tutor defines normative.
either setting a standard or following one.
The principal watched students perform skateboard tricks in the hall. He observed that, while spectacular, their behaviour wasn’t normative.
Barber, Katherine, et al. Oxford Canadian Dictionary of Current English. Don Mills: Oxford University Press, 2005.
Jack of Oracle Tutoring by Jack and Diane, Campbell River, BC.