Definition of "rationality" []

  • The quality or condition of being rational. (noun)
  • A rational belief or practice. (noun)
  • The state or quality of being rational or logical (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • The possession or utilization of reason or logic (noun)
  • A reasonable or logical opinion (noun)
  • The assumption that an individual will compare all possible combinations of goods and their prices when making purchases (noun) (c) HarperCollins Publishers Ltd 2016

Use "rationality" in a sentence
  • "A careful reading of numerous usages of the term rationality, which need not be retraced here, suggests that this is the meaning most often implied when the term is used Simon 1976, p."
  • "People's rationality is difficult to assess, and what makes behavioral economics so interesting."
  • "Well, if that were true, it seems to me that European governments -- given their vaunted rationality is such matters -- would put all below-average workers on the dole or give them early retirement and let the other half of the work force support them."