Nonetheless: The word nonetheless is used to express you will attempt the certain action although you know that there are chances of failure.
In business, the entrepreneur takes the risk to start a business despite they know that not all the business succeeds in the industry. The process of attempting even when you know that you will fail in the process of establishing something.
In general, the word Nonetheless is use at the beginning or end of the sentence to indicate reader/listener beforehand that I might get failed in the process, but I still want to try.
You can use the word nonetheless in the sentence when you are not sure about the final result, but you still want to move ahead with your thoughts.
