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

  • adj. Capable of being accomplished or brought about; possible: a feasible plan. See Synonyms at possible.
  • adj. Used or dealt with successfully; suitable: feasible new sources of energy.
  • adj. Logical; likely: a feasible explanation.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. That can be done in practice.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Capable of being done, executed, or effected; practicable.
  • adj. Fit to be used or tilled, as land.

from The Century Dictionary and Cyclopedia

  • Capable of being done, performed, or effected; that may be accomplished or carried out; practically possible: as, the project is attractive, but not feasible.
  • n. That which is practicable.

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

  • adj. capable of being done with means at hand and circumstances as they are


Middle English fesable, from Old French faisable, from faire, fais-, to do, from Latin facere; see dhē- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Old French faisable. (Wiktionary)



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  • Feasible-capable of being done (Websters Dictionary)

    September 27, 2010