mesonomic
/ˌmɛsə(ʊ)ˈnɒmɪk/Law
adjective
In A. Kocourek's terminology: designating a power, right, duty, etc., the free exercise of which, though not directly or positively constrained by legal prescription or proscription, may have effects or consequences which are constrained by law. Opposed to zygnomic.
Origin
1920s. From meso- + nomic, after zygnomic.