• Human conduct relative to social norms.
  • The way a living creature behaves or acts generally.
  • A state of probation about one's conduct.
  • An instance of the way a living creature behaves.
  • Observable response produced by an organism.
  • The way a device or system operates.


  • From Middle English behavoure, behaver, equivalent to behave, apparently in imitation of English havior, haviour, havour. Compare Scots havings ("behavior"), from have.

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