lump it

believe calculate divine fathom infer predict presume pretend solve speculate suggest suppose surmise think

chance conjecture deduce deem estimate fancy guesstimate hazard hypothesize judge opine penetrate pick postulate predicate reason reckon select survey suspect theorize venture

dare say go out on a limb happen upon jump to a conclusion size up take a shot at take a stab at think likely work out

abstain disbelieve ignore misunderstand neglect question wonder

prove refuse reject

measure