PRESUMPTION

n. 1 arrogance, pride, effrontery, audacity, boldness, brazenness, impudence, impertinence, insolence, temerity, overconfidence, presumptuousness, forwardness, immodesty, Colloq pushiness, cheek, cheekiness, nerve, gall, chutzpah, brass, Brit brass neck He had the presumption to ask my age 2 assumption, supposition, presupposition, preconception, premise or premiss, surmise, proposition, postulation; probability, likelihood, plausibility, feasibility The presumption of the innocence of a person accused of a crime is established in law 3 assumption, stand, position, inference, feeling, deduction, conclusion, conviction, bias, guess, theory, hypothesis, conjecture, belief, thought; suspicion Having examined the evidence, the pathologist's presumption was that the victim had died of natural causes 4 ground(s), reason, basis, evidence: What is your presumption for thinking that you might win the lottery?