recant

annul back down back off backtrack contradict disavow disown renege renounce repudiate rescind retract revoke take back

abjure abnegate abrogate apostatize cancel countermand deny disclaim forswear nullify recall repeal unsay void withdraw

back out call back dial back eat one's words go back on one's word weasel out worm out of

accept agree allow approve corroborate go forward

acknowledge admit affirm establish pass permit sanction validate

confirm emphasize recapitulate