say no to

ban call on contradict oppose rebuff refuse refute reject revoke turn down withhold

abjure abnegate begrudge contravene controvert curb disallow disavow disbelieve discard disclaim discredit disown disprove doubt eschew exclude forbid forgo forsake gainsay negate negative nullify rebut recant repudiate restrain sacrifice spurn taboo veto

disacknowledge enjoin from hold back keep back not buy take exception to turn thumbs down

OK accept allow approve ratify sanction support

acknowledge admit agree aid assist believe claim concur credit embrace help keep permit trust validate welcome

accede affirm concede confess corroborate go along grant