Time to use a new dictionary.

verb: behave; 3rd person present: behaves; past tense: behaved; past
participle: behaved; gerund or present participle: behaving

1.
act or conduct oneself in a specified way, especially towards others.
"he always behaved like a gentleman"
synonyms: conduct oneself, act, acquit oneself, bear oneself, carry
oneself; More
rarecomport oneself, deport oneself

"she behaved abominably last night"

•(of a machine or natural phenomenon) work or function in a specified way.
"each car behaves differently"

2.
conduct oneself in accordance with the accepted norms of a society or group.
"‘Just behave, Tom,’ he said"
synonyms: act correctly, act properly, conduct oneself well, act in a
polite way, show good manners, mind one's manners, mind one's Ps and
Qs; More
be good, be polite, be well behaved
"the children worked hard and behaved themselves"

antonyms: misbehave
Origin
late Middle English: from be- ‘thoroughly’ + have in the sense ‘have
or bear (oneself) in a particular way’.
Use over time for: behave