behaved; behaving
Synonyms of behave

transitive verb

1
: to manage the actions of (oneself) in a particular way
2
: to conduct (oneself) in a proper manner
getting children to behave themselves

intransitive verb

1
: to act, function, or react in a particular way
He behaves like a child.
testing how various metals behave under heat and pressure
2
: to conduct oneself properly
Please behave.
behaver noun
Choose the Right Synonym for behave

behave, conduct, deport, comport, acquit mean to act or to cause oneself to do something in a certain way.

behave may apply to the meeting of a standard of what is proper or decorous.

the children behaved in church

conduct implies action or behavior that shows the extent of one's power to control or direct oneself.

conducted herself with unfailing good humor

deport implies behaving so as to show how far one conforms to conventional rules of discipline or propriety.

the hero deported himself in accord with the code of chivalry

comport suggests conduct measured by what is expected or required of one in a certain class or position.

comported themselves as gentlemen

acquit applies to action under stress that deserves praise or meets expectations.

acquitted herself well in her first assignment

Examples of behave in a Sentence

If you can't behave in the store we'll have to leave. If you can't behave yourself in the store we'll have to leave. I wish those children would behave themselves. He behaves like a child! The experiment tested how various metals behave under heat and pressure.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Using specialized computer codes, the team ran detailed safety analyses to model how the new fuel would behave under extreme conditions. — Aman Tripathi, Interesting Engineering, 24 Sep. 2026 This confuses each Nyota but also those around them, who note that the Nyotas have rather quickly assumed new hairstyles but also that neither is behaving quite like herself. — Keith Phipps, Vulture, 24 Sep. 2026 Bass said her review would be a top-down evaluation that also scrutinizes the roles of dispatchers, supervisors and others involved in responding to reports of people behaving erratically. — Los Angeles Times, 24 Sep. 2026 Butlers, who service suites, behave slightly more formally, and are clearly well-trained in their art. — Condé Nast, Condé Nast Traveler, 23 Sep. 2026 See All Example Sentences for behave

Word History

Etymology

Middle English behaven, from be- be- + haven "to have entry 1, hold"

First Known Use

15th century, in the meaning defined at transitive sense 1

Time Traveler
The first known use of behave was in the 15th century

Browse Nearby Words

Cite this Entry

“Behave.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/behave. Accessed 25 Sep. 2026.

Kids Definition

behaved; behaving
1
: to conduct oneself
behaved badly at the meeting
2
: to conduct oneself properly
please behave
3
: to act, function, or react in a particular way
how metals behave under heat and pressure

Medical Definition

behaved; behaving

transitive verb

: to bear or conduct (oneself) in a particular way

intransitive verb

: to act, function, or react in a particular way
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