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

  • transitive v. To perceive (something) while being conscious of perceiving.
  • transitive v. To perceive (something) in terms of past experience.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To perceive.
  • v. To be aware of perceiving; to understand a perception by linking it mentally with a mass of existing ideas of the same object.

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To perceive; to comprehend.

from The Century Dictionary and Cyclopedia

  • To be conscious of perceiving; comprehend (what is perceived); loosely, to perceive; notice: used specifically of internal perception or self-consciousness. See apperception.

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

  • v. perceive in terms of a past experience


Back-formation from apperception.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Old French aperceveir, apercevoir, from late Latin *appercipēre, from ad- + percipere. (Wiktionary)



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  • "And then they put on their helms an departed, and reommended them all wholly unto the queen: and there was weeping and great sorrow. Then the queen departed into her chamber so that no man should apperceive her great sorrows."
    - Thomas Malory, 'The Holy Grail'.

    September 8, 2009