permissiveness

adjective | per·mis·sive

1. : based on or having permission permissive occupancy a permissive user of the vehicle

2. : granting permission or discretion (as to the court) a permissive statute

   a : allowed or made under a standard, rule, or provision that permits discretion or an option — see also permissive intervention at intervention, permissive presumption at presumption — compare compulsory

   b : allowed under modern rules of civil procedure although not arising from the same transaction or occurrence as the one at issue in the original claim a permissive counterclaim — see also permissive joinder at joinder