productive

Synonyms
2. fecund. Productive, fertile, fruitful, prolific apply to the generative aspect of something. Productive refers to a generative source of continuing activity: productive soil; a productive influence. Fertile applies to that in which seeds, literal or figurative, take root: fertile soil; a fertile imagination. Fruitful refers to that which has already produced and is capable of further production: fruitful soil, discovery, theory. Prolific means highly productive: a prolific farm, writer.

Antonyms
2. sterile.

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To productive

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Productive is a GRE word you need to know.

So is promulgate. Does it mean:

To make known by open declaration; publish; proclaim formally or put into operation a law, decree of a court, etc..

member of the working class

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Collins

World English Dictionary

productive (prəˈdʌktɪv)

—*adj* (foll by of)
1.	producing or having the power to produce; fertile
2.	yielding favourable or effective results
3.	economics
	a. producing or capable of producing goods and services that have monetary or exchange value: productive assets
	b. of or relating to such production: the productive processes of an industry
4.	resulting in: productive of good results
5.	denoting an affix or combining form used to produce new words

pro'ductively

—*adv*

pro'ductiveness

—n

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline

Word Origin & History

productive

1612, from Fr. productif (16c.), from M.L. productivus "fit for production," from L. productus, pp. of producere (see produce). Productivity is from 1809 with meaning "quality of being productive;" economic sense of "rate of output per unit" is from 1899.

American Heritage

Medical Dictionary

productive pro·duc·tive (prə-dŭk'tĭv, prō-)
adj.

Producing or capable of producing mucus or sputum.
Forming new tissue, as of an inflammation.

Example sentences

But now the productive potential of millions of plugged-in enthusiasts is

attracting the attention of old-line businesses, too.

The ample productive capacity left idle by the crisis meant firms could expand

without making big investments.

Some of its mines are nearing the end of their productive lives.

Great, there goes what was shaping up to be a productive day.

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Matching Quote

"One learns quite easily to identify the rich person who is making a career out of dangling the carrot; of being fawned on by institutions eager for his (or, more often, her) money. It is not very productive to "cultivate" them. I associated with many, and developed great compassion for rich people who suspect that they are in demand only because they are a potential source of income to some cause or institution. Whether it's true or not, their suspicions isolate them from all save a handful of old and trusted friends, turn them sour, make it difficult for them to accept new friends at face value, and leave them with little attraction other than their money."

-Muriel Beadle