Disaffirmation

(n.) The act of disaffirming; negation; refutation.

Thesaurus Entries

abjuration, abjurement, abrogation, absolute contradiction, annulment, contradiction, contrary assertion, contravention, controversion, countering, crossing, denial, disallowance, disavowal, disclaimer, disclamation, disownment, disproof, forswearing, gainsaying, impugnment, nullification, recantation, refutation, renunciation, repudiation, retractation, retraction, revocation