venture

nouns

any venturesome undertaking especially one with an uncertain outcome
is a type of (narrower)
any piece of work that is undertaken or attempted
"he prepared for great undertakings"
an investment that is very risky but could yield great profits
"he knew the stock was a speculation when he bought it"
is derived from
a commercial undertaking that risks a loss but promises a profit
is derived from
is a type of (narrower)
the activity of providing goods and services involving financial and commercial and industrial aspects
"computers are now widely used in business"

verbs

proceed somewhere despite the risk of possible dangers
"We ventured into the world of high-tech and bought a supercomputer"
is derived from
put forward, of a guess, in spite of possible refutation
"I am guessing that the price of real estate will rise again"; "I cannot pretend to say that you are wrong"
put at risk
"I will stake my good reputation for this"
is derived from