aller sans dire, bank on, be axiomatic, be certain, be confident, bet on, calculate on, chance, chance it, count on, depend on, doubt not, feel sure, go without saying, have no doubt, hazard, just know, know, know for certain, lean on, place reliance on, reckon on, rely on, rely on fortune, rely upon, repose on, rest assured, rest on, risk, run a chance, run the risk, set at hazard, swear by, take a chance, take a flier, take chances, tempt fortune, trust to, trust to chance, try the chance, venture, wager