What is the meaning of Enterprise?

A company, business, organization, or other purposeful endeavor.

An undertaking, venture, or project, especially a daring and courageous one.

A willingness to undertake new or risky projects; energy and initiative.

Active participation in projects. (Can we add an example for this sense?)

To undertake an enterprise, or something hazardous or difficult.

To undertake; to begin and attempt to perform; to venture upon.

To treat with hospitality; to entertain.

Source: wiktionary.org