behavior

[bih-heyv-yer]
noun
1.
manner of behaving or acting.
2.
Psychology, Animal Behavior.
a.
observable activity in a human or animal.
b.
the aggregate of responses to internal and external stimuli.
c.
a stereotyped, species-specific activity, as a courtship dance or startle reflex.
3.
Often, behaviors. a behavior pattern.
4.
the action or reaction of any material under given circumstances: the behavior of tin under heat.
Also, especially British, behaviour.


Origin:
1375–1425; behave + -ior (on model of havior, variant of havor < Middle French (h)avoirLatin habēre to have); replacing late Middle English behavoure, behaver. See behave, -or1

behavioral, adjective
behaviorally, adverb
interbehavior, noun
interbehavioral, adjective
interbehaviorally, adverb


1. demeanor, manners; bearing, carriage. Behavior, conduct, deportment, comportment refer to one's actions before or toward others, especially on a particular occasion. Behavior refers to actions usually measured by commonly accepted standards: His behavior at the party was childish. Conduct refers to actions viewed collectively, especially as measured by an ideal standard: Conduct is judged according to principles of ethics. Deportment is behavior related to a code or to an arbitrary standard: Deportment is guided by rules of etiquette. The teacher gave Susan a mark of B in deportment. Comportment is behavior as viewed from the standpoint of one's management of one's own actions: His comportment was marked by a quiet assurance.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
behaviour or behavior (bɪˈheɪvjə)
 
n
1.  manner of behaving or conducting oneself
2.  on one's best behaviour behaving with careful good manners
3.  psychol
 a.  the aggregate of all the responses made by an organism in any situation
 b.  a specific response of a certain organism to a specific stimulus or group of stimuli
4.  the action, reaction, or functioning of a system, under normal or specified circumstances
 
[C15: from behave; influenced in form by Middle English havior, from Old French havoir, from Latin habēre to have]
 
behavior or behavior
 
n
 
[C15: from behave; influenced in form by Middle English havior, from Old French havoir, from Latin habēre to have]
 
be'havioural or behavior
 
adj
 
be'havioral or behavior
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

behavior
late 15c., essentially from behave, but with ending from havour "possession," a word altered (by influence of have) from aver, from O.Fr. aveir "to have."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

behavior be·hav·ior (bĭ-hāv'yər)
n.

  1. The actions or reactions of persons or things in response to external or internal stimuli.

  2. The manner in which one behaves.


be·hav'ior·al adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
behavior   (bĭ-hāv'yər)  Pronunciation Key 
  1. The actions displayed by an organism in response to its environment.

  2. One of these actions. Certain animal behaviors (such as nest building) result from instinct, while others (such as hunting) must be learned.

  3. The manner in which a physical system, such as a gas, subatomic particle, or ecosystem, acts or functions, especially under specified conditions.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Idioms & Phrases

behavior

see on one's best behavior.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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Example sentences
He had decreed a new code of conduct for royal behavior, but it had not been
  published.
Clearly, my friend is guilty -- but only of bad behavior.
Many people see traces of hoarding behavior in themselves.
Little is known about the behavior of adult male sea turtles.
Idioms & Phrases
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