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

  • transitive v. To conclude from evidence or premises.
  • transitive v. To reason from circumstance; surmise: We can infer that his motive in publishing the diary was less than honorable.
  • transitive v. To lead to as a consequence or conclusion: "Socrates argued that a statue inferred the existence of a sculptor” ( Academy).
  • transitive v. To hint; imply.
  • intransitive v. To draw inferences.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To show; to manifest; to prove.

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To bring on; to induce; to occasion.
  • transitive v. To offer, as violence.
  • transitive v. To bring forward, or employ as an argument; to adduce; to allege; to offer.
  • transitive v. To derive by deduction or by induction; to conclude or surmise from facts or premises; to accept or derive, as a consequence, conclusion, or probability.
  • transitive v. To show; to manifest; to prove.

from The Century Dictionary and Cyclopedia

  • To bring in, on, or about; lead forward or advance; adduce.
  • To form as an opinion or belief in consequence of something else observed or believed; derive as a fact or consequence, by reasoning of any kind; accept from evidence or premises; conclude.
  • To bear presumption or proof of; imply.
  • To conclude; reach a conclusion by reasoning.

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

  • v. draw from specific cases for more general cases
  • v. reason by deduction; establish by deduction
  • v. guess correctly; solve by guessing
  • v. conclude by reasoning; in logic
  • v. believe to be the case


Latin īnferre, to bring in, adduce : in-, in; see in-2 + ferre, to bear; see bher-1 in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin inferō. (Wiktionary)



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  • Holmes does this a lot when he is working on cases.

    July 25, 2013

  • Infer a penny, infer a pound.

    February 4, 2013

  • There's a list of back-formations. I don't think that "infer" is an example of one, though.

    November 16, 2008

  • i like words that seem to be snippets of longer, older words... not sure of why.

    November 16, 2008