The Oxford Thesaurus An A-Z Dictionary of Synonyms - venture n.

1) risk, chance, hazardous undertaking, experiment, speculation, gamble, plunge, fling: Their new publishing venture turned out to be quite a success. --v. 2) dare(say) , make bold, hazard, volunteer, tender, offer, broach, advance, proffer, put forward: Ambrose ventured some nasty remark and was asked to leave. 3) jeopardize, risk, endanger, hazard, imperil; gamble, bet, wager, plunge, put down: Thomas ventured his last chip on the number four.