economy

(noun) the system of production and distribution and consumption. Synonyms: economic system.

(noun) the efficient use of resources. Example: "Economy of effort."

(noun) frugality in the expenditure of money or resources. Synonyms: thriftiness. Example: "The scots are famous for their economy."

(noun) an act of economizing; reduction in cost. Synonyms: saving. Examples: "It was a small economy to walk to work every day." "There was a saving of 50 cents."