Synonyms of the word

economic

• adj. Pertaining to an economy.
• adj. Frugal; cheap (in the sense of representing good value); economical.
• adj. Pertaining to the study of money and its movement.

economical

• adj. Careful with money so as not to spend too much; prudent; thrifty.
• adj. Saving money or resources.
• adj. (archaic) Relating to economy in any other sense.

efficient

• adj. Making good, thorough, or careful use of resources; not consuming extra. Especially, making good use of…
• adj. Expressing the proportion of consumed energy that was successfully used in a process; the ratio of useful…
• adj. Causing effects, producing results; bringing into being; initiating change. (Rare except in philosophical…
• adj. (proscribed, old use) Effective.

profitable

• adj. Producing a profit.

scheme

• n. A systematic plan of future action.
• n. A plot or secret, devious plan.
• n. An orderly combination of related parts.
• n. A chart or diagram of a system or object.
• n. (mathematics) A type of topological space.
• n. (Britain, chiefly Scotland) A council housing estate.
• n. (rhetoric) An artful deviation from the ordinary arrangement of words.
• n. (astrology) A representation of the aspects of the celestial bodies for any moment or at a given event.
• v. (intransitive) To plot, or contrive a plan.

system

• n. A collection of organized things; a whole composed of relationships among its members.
• n. A method or way of organizing or planning.
• n. (derogatory, with "the") The mainstream culture, controlled by the elites or government of a state, or…

worldly

• adj. Concerned with human or earthly matters, physical as opposed to spiritual.
• adj. Concerned with secular rather than sacred matters.
• adj. Sophisticated, especially because of surfeit; versed in the ways of the world.
• adv. In a worldly manner.