presumption

[1]	arrogance , given , precondition , pride , effrontery , audacity , boldness , brazenness , impudence , impertinence , insolence , temerity , overconfidence , presumptuousness , forwardness , immodesty , (Colloq) pushiness , cheek , cheekiness , nerve , gall , chutzpah , brass , (Brit) brass neck
[2]	assumption , supposition , presupposition , preconception , premise/premiss , surmise , proposition , postulation , probability , likelihood , plausibility , feasibility
[3]	assumption , presumptuousness , effrontery , stand , position , assumption , inference , feeling , deduction , conclusion , conviction , bias , guess , theory , hypothesis , conjecture , belief , thought , suspicion
[4]	ground(s) , reason , basis , evidence