exciting | new | profitable, successful | costly, expensive, unprofitable | ill-fated, unsuccessful | ambitious, bold, brave, high-risk, risky, speculative | collaborative, cooperative, joint | private | non-commercial | business, commercial, financial, publishing, tourism/tourist, trading

embark on, undertake
The directors of the company refused to undertake such a risky venture.

establish, set up
The company has set up a joint venture with a firm in Austria.

join (in), join sb in
His son Mark will be joining him in the new venture.

capital, funds, money

~ by
a cooperative venture by firms at the science park

cautiously
She ventured cautiously into the room.

rarely, seldom | far, further (afield)
Some of the men ventured further out to sea.

abroad, forth, out, outside
A few people ventured out into the street.

dare (to)
She would not have dared venture here alone.

away from, beyond, into, out of
They rarely ventured beyond their local market town.