from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Contemplation or consideration of a subject; meditation.
  • n. A conclusion, opinion, or theory reached by conjecture.
  • n. Reasoning based on inconclusive evidence; conjecture or supposition.
  • n. Engagement in risky business transactions on the chance of quick or considerable profit.
  • n. A commercial or financial transaction involving speculation.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The process of thinking or meditating on a subject
  • n. A judgement or conclusion reached by speculating
  • n. An investment involving higher than normal risk in order to obtain a higher than normal return

from the GNU version of the Collaborative International Dictionary of English

  • n. The act of speculating.
  • n. Examination by the eye; view.
  • n. Mental view of anything in its various aspects and relations; contemplation; intellectual examination.
  • n. The act or process of reasoning a priori from premises given or assumed.
  • n. The act or practice of buying land, goods, shares, etc., in expectation of selling at a higher price, or of selling with the expectation of repurchasing at a lower price; a trading on anticipated fluctuations in price, as distinguished from trading in which the profit expected is the difference between the retail and wholesale prices, or the difference of price in different markets.
  • n. Any business venture in involving unusual risks, with a chance for large profits.
  • n. A conclusion to which the mind comes by speculating; mere theory; view; notion; conjecture.
  • n. Power of sight.
  • n. A game at cards in which the players buy from one another trumps or whole hands, upon a chance of getting the highest trump dealt, which entitles the holder to the pool of stakes.

from The Century Dictionary and Cyclopedia

  • n. The act or state of speculating, or of seeing or looking; intelligent contemplation or observation; a viewing; inspection.
  • n. The pursuit of truth by means of thinking, especially mathematical reasoning and logical analysis; meditation; deep and thorough consideration of a theoretical question.
  • n. In philosophy, sometimes, a purely a priori method of philosophizing: but commonly in philosophy the word has the meaning 2, above.
  • n. The investing of money at a risk of loss on the chance of unusual gain; specifically, buying and selling, not in the ordinary course of commerce for the continuous marketing of commodities, but to hold in the expectation of selling at a profit upon a change in values or market rates.
  • n. A game at cards, the leading principle of which is the purchase of an unknown card on the calculation of its probable value, or of a known card on the chance of no better appearing during the game, a part of the pack not being dealt.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an investment that is very risky but could yield great profits
  • n. a message expressing an opinion based on incomplete evidence
  • n. continuous and profound contemplation or musing on a subject or series of subjects of a deep or abstruse nature
  • n. a hypothesis that has been formed by speculating or conjecturing (usually with little hard evidence)


from Wiktionary, Creative Commons Attribution/Share-Alike License

From Old French speculation (French: spéculation), from Late Latin speculationem, from Latin speculatio.



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