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

  • n. Psychology A stimulus, such as a reward, the removal of an unpleasant event, or a punishment, that in operant conditioning maintains or strengthens a desired response.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Something that reinforces; something that strengthens a behavior.

from The Century Dictionary and Cyclopedia

  • n. One who reinforces or strengthens.

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

  • n. (psychology) a stimulus that strengthens or weakens the behavior that produced it


Sorry, no etymologies found.



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