regulatory

regulatory
    adj 1: restricting according to rules or principles; "a
           regulatory gene" [syn: {regulative}, {regulatory}]
    

40 Moby Thesaurus words for "regulatory":
      ascendant, at the head, boss, chief, commanding, controlling,
      directing, directive, directorial, directory, dominant, general,
      governing, guiding, head, hegemonic, hegemonistic, in ascendancy,
      in charge, in chief, in the ascendant, leading, managerial,
      managing, master, paramount, predominant, predominate, prepollent,
      preponderant, preponderate, prepotent, prevalent, regnant,
      regulating, regulative, reigning, ruling, sovereign, supreme