venture
noun
their fortune was wiped out by an unsuccessful business venture:
enterprise, undertaking, project, scheme, pursuit, operation, endeavour, campaign, activity, act, deed, move, measure, task, exploit, mission, adventure, trial;
speculation, plunge, gamble, leap in the dark, experiment, crusade;
formal essay.
verb
1 some villagers rarely ventured beyond their nearest market town:
travel, journey, go, move, proceed, progress, set out, set forth, rove;
wander, stray, drift, migrate.
2 he ventured the opinion that Peter was dangerously insane:
put forward, volunteer, advance, submit, proffer, offer, air, bring up, suggest, propound, posit, propose, moot, ventilate, broach, lodge, introduce, put up, present;
conjecture, speculate, postulate;
British table;
formal opine, essay.
3 I ventured to ask her to come and dine with me:
dare, make so bold as, be so bold as, presume, have the temerity, have the effrontery, have the audacity, have the nerve, be brave enough, have the courage, go so far as;
take the liberty of;
informal stick one's neck out, go out on a limb;
North American, informal take a flyer.
venture Oxford Dictionary of English