* Noun: A risky or daring undertaking.
* Example: "They embarked on a new business venture."
* Verb: To proceed, especially in the face of uncertainty or risk.
* Example: "We ventured into the unknown territory."
* Adjective: (Less common) Daring or risky.
* Example: "They had a venture spirit."
So, to determine the part of speech, you need to look at the context in which it's used.