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.
Photo courtesy of Elsberry Riding and Farm HeeHaw's owner, Hannah Michelle Israel, has said the donkey was gentle and had never behaved aggressively. — Christopher Harris, CBS News, 4 Nov. 2026 The kids have been told in no uncertain terms to behave by strict landlady Patty (Paula Pell), who also stresses there can be no pets of any nature, forcing them to keep Waffles under wraps. — Pete Hammond, Deadline, 3 Nov. 2026 The thought is that the dogs will act as a larger predator, and change the way the coyotes behave and use their habitat. — Laura Baisas, Popular Science, 3 Nov. 2026 The new material combines kerosene, lecithin, and calcium chloride to produce a gel that behaves more like a soft solid at rest but flows when subjected to force or heat, according to a study. — Maria Mocerino, Interesting Engineering, 2 Nov. 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 7 Nov. 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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