swear

[1]	depose , curse , cuss , aver , asseverate , blaspheme , imprecate , declare , insist , assert , solemnly affirm/state , testify , promise , take an oath , undertake , vow , avow , vouchsafe , warrant , pledge , give one's word , agree
[2]	curse , affirm , verify , blaspheme , imprecate , assert , avow , use profanity , utter profanities , aver , swan , execrate , (Colloq) cuss
[3]	swear by , trust (in) , believe in , rely on , have confidence in , count on
[4]	swear off , depose , depone , forswear , renounce , abjure , go off , forgo , shun , avoid , give up , eschew , forsake , throw over
[5]	trust , rely , bank