disprove Antonyms

prove be responsible for validate uphold testify swear support substantiate show shew reiterate reconfirm reaffirmation verify warranting witness attest to bear witness to provide evidence approve of be sure of agree on something bank on shake down nail down implode bear out bear witness ratify evidence profess avow avouch aver authenticate attest asseverate assert ascertain approve agree affirm acknowledge back bear pilaster maintain justify insist guarantee