Venture is a noun meaning a risky or daring journey or undertaking, especially a business enterprise involving considerable risk.
As a verb, venture means to dare to do something or go somewhere that may be dangerous or unpleasant.
Common usages include:
1. Joint venture - a business arrangement where two or more parties agree to pool their resources
2. Venture capital - financing that investors provide to startups
3. Venture out - to go somewhere despite potential risks