norm
Cross references: 1. average norm \'no.(*)rm\ n [L norma, lit., carpenter's square] 1: an authoritative standard : MODEL 2: a principle of right action binding upon the members of a group and serv ing to guide, control, or regulate proper and acceptable behavior 3: AVERAGE : as 3a: a set standard of development or achievement usu. derived from the aver age or median achievement of a large group 3b: a pattern or trait taken to be typical in the behavior of a social grou p