the act of annulling, esp. the formal declaration that annuls a marriage.

Psychoanalysis . a mental process by which unpleasant or painful ideas are abolished from the mind.

noun

enactment , restoration , retention , validation

noun

abatement , abolition , abrogation , annihilation , breakup , cancellation , countermanding , dedomiciling , deletion , discharge , dissolution , erasing , going phfft , invalidation , negation , neutralization , nullification , obliteration , recall , repeal , rescinding , rescindment , rescission , retraction , reversal , revocation , split * , split up * , undoing * , vitiation , voiding , abolishment , defeasance , voidance