Enterprise, energy. Obsolete.

Willingness to undertake difficult or important tasks; boldness, daring spirit; (later often) dynamism, initiative, resourcefulness.

As a personal quality or resource: a capacity for or tendency towards (sustained) exertion or effort; mental, physical, or emotional strength and…

The mode of being of force or energy; operation of force. Now usually, energizing or dynamic action, energy, ‘drive’.

Initiative, drive; energy; progressiveness.

colloquial (originally U.S.). Inclination to get up and be active; energy, enterprise, determination. Cf. get-up-and-get, n., get-up-and-go, n. Now…

U.S. colloquial. Initiative, enterprise; entrepreneurial spirit; progressiveness; drive, ambition.

= go-aheadism, n.

Energy and determination to achieve something; energetic initiative; motivation.

Inclination to get up and be active; energy, enterprise, determination; = get-up-and-go, n.

Inclination to get up and be active; energy, enterprise, determination.

= get-up-and-go, n.

The ability to develop and carry out a scheme energetically; enterprise, initiative; drive, ambition. Cf. get-up-and-go, n.

U.S. Pushing activity; ‘push’. Also with a. (Cf. move, n. 3f.)

Enterprising behaviour or approach; entrepreneurship.

= dynamism, n. 2.

Energy, enthusiasm, vigour; enterprise, initiative. Cf. go-go, n.3