1. (n.) The act of believing upon probable evidence; the act of assuming or taking for granted\; belief upon incomplete proof.

2. (n.) Ground for presuming; evidence probable, but not conclusive; strong probability; reasonable supposition; as, the presumption is that an event has taken place.

3. (n.) That which is presumed or assumed; that which is supposed or believed to be real or true, on evidence that is probable but not conclusive.

4. (n.) The act of venturing beyond due beyond due bounds; an overstepping of the bounds of reverence, respect, or courtesy; forward, overconfident, or arrogant opinion or conduct; presumptuousness; arrogance; effrontery.

adventurousness allegory allusion apriorism aptitude arcane meaning arrogance aspiration assumption assurance assured faith attitude audaciousness audacity axiom basis belief bias boldness brashness brass brazenness brinkmanship bumptiousness butting-in chance cheek cheekiness cheerful expectation chutzpah climate of opinion coloration common belief community sentiment conceit concept conception conclusion confidence conjecture connotation consensus gentium consideration contumely conviction courage fou courting disaster crust daredevilry daredeviltry daring deduction dependence desire doomed hope effrontery entailment estimate estimation ethos evidence expectation eye face fair expectation fair prospect faith familiarity favorable prospect feasibility feeling fervent hope fire-eating flirting with death foolhardiness forejudgment forwardness gall general belief going for broke good chance good cheer good hope great expectations grounds guess guesswork hardihood harebrainedness high hopes hint hope hopeful prognosis hopefulness hopes hoping hoping against hope hubris hypothesis idea immodesty impertinence implication implied meaning import imposition impression impudence inference innuendo inquisitiveness insolence intermeddling intimation intrusiveness involvement ironic suggestion judgment lawlessness liability liberties liberty abused license licentiousness lights likelihood likeliness meaning meddlesomeness meddling metaphorical sense mind mystique nerve notion nuance observation obtrusiveness occult meaning odds officiousness opinion outlook overconfidence overtone overweening overweeningness parti pris personal judgment plausibility playing with fire point of view popular belief posit position postulate postulation postulatum posture prayerful hope preapprehension preconception preconclusion preconsideration predecision predetermination predilection predisposition prejudgment prejudication prejudice premature judgment premise premiss prenotion prepossession presumptive evidence presumptuousness presupposal presupposition presurmise prevailing belief pride probabilism probability procacity promise proposition prospect prospects public belief public opinion pushiness reaction reason reasonable ground reasonable hope reliance sanguine expectation security sentiment set of postulates sight stance stand subsense subsidiary sense subsumption suggestion supposal supposing supposition surmise suspicion symbolism temerity tendency theory thesis thinking thought tinge touch trust undercurrent undermeaning undertone undue liberty uppishness uppityness verisimilitude view way of thinking well-grounded hope working hypothesis