Enterprise is the word.

A man has to be swift-footed to keep up with the general movement." "I don't expect to get rich in a day," said Watson.
"You'll hardly be disappointed in your expectation," remarked Johnson, a little sarcastically.

His customer did not notice the feeling his tones expressed, but went on to select a piece or two of goods, here and there, from various packages, as the styles happened to suit him.
"Five per cent.

off for cash, I suppose," said Watson, after completing his purchase.
"Oh, certainly," replied the dealer.

"Do you wish to cash the bill ?" "Yes; I wish to do a cash business as far as I can.