Verb (used with object), : to abrogate a law.    From Dictionary.com. 

Justice is both the initiator and the abrogator of its own laws.”.    From Wordnik.com.  [The World Order of Bahá’u’lláh] Reference

1541 Cathedram adit, Papisticarum traditionum abrogator circa coniugium.    From Wordnik.com.  [The Principal Navigations, Voyages, Traffiques and Discoveries of the English Nation — Volume 01] Reference