[n] the act of abrogating; an official or legal cancellation
cancellation, derogation, recall, revocation, vacation
abjuration, abjurement, abolishment, abolition, absolute contradiction, annulment, cancel, canceling, cancellation, cassation, contradiction, contrary assertion, contravention, controversion, countering, countermand, counterorder, crossing, defeasance, de
\Ab`ro*ga"tion\, n. [L. abrogatio, fr. abrogare: cf. F. abrogation.] The act of abrogating; repeal by authority. --Hume.