Sentence:  At about the time the Marsden <WSD>enterprise</WSD> was getting under way , the Vail Light and Lumber Company started construction of a chair stock factory on the site of the present Bennington Co-operative Creamery , intending to use its surplus power for generating electricity . 
Meaning of the word marked with <WSD> tags:  a purposeful or industrious undertaking (especially one that requires effort or boldness)