legal
actionable
applicable
authoritative
authorized
binding
canonical
competent
constitutional
dictated
didactic
formulary
hard and fast
instructive
judicial
juridical
just
justiciable
kosher
lawful
lawmaking
legislative
legit
legitimate
licit
mandatory
official
preceptive
prescribed
prescript
prescriptive
regulation
rightful
rubric
sanctioned
standard
valid
within the law
administrative
antitrust
congressional
contractual
disciplinary
explicit
federal
monetary
penal
procedural
provisional
quantitative
regulatory
restrictive
stringent