Write a word or phrase or a term which can substitute the following: An undertaking or adventure involving uncertainty and risk and requiring innovation.

Write a word or phrase or a term which can substitute the following:

An undertaking or adventure involving uncertainty and risk and requiring innovation.

Solution: 

An undertaking or adventure involving uncertainty and risk and requiring innovation – Enterprise.

Explanation:

An enterprise is an organisation or industry that works for earning profits. It undertakes the innovation of goods and services along with the risk involved.