abrogative
/ˈabrəɡətɪv/rare before late 19th cent
adjective
1Having the effect of abrogating something; of the nature of or characterized by abrogation; that repeals, abolishes, or cancels a law, practice, etc.
2Chiefly Immunology. Of the nature of abrogation. Especially in abrogative effect.
Origin
Early 17th century; earliest use found in Robert Dallington (b. 1561), author and courtier. From classical Latin abrogāt-, past participial stem of abrogāre + -ive.