behave
v.-
1 to act in a certain way (v.) A2 Elementaryto act or conduct yourself in a particular manner, usually described by an adverb.
to conduct oneself in a specified way. This sense is intransitive and requires an adverbial of manner.
ExampleThe children behaved very well during the long wedding ceremony.
ExampleThe materials behaved exactly as the engineers predicted under extreme pressure, showing no signs of structural fatigue during the initial testing phase.
UsageUsually followed by an adverb like 'well', 'badly', or 'differently'.
- act
- conduct oneself
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2 to be good or polite (v.) A2 Elementaryto act in a way that is polite or follows the rules.
to conduct oneself in a socially acceptable or polite manner. When used without an adverb, the positive meaning is implied.
ExampleIf you don't behave, we will have to leave the restaurant early.
ExampleThe teacher promised the class a reward at the end of the week if they continued to behave during the guest speaker's presentations.
UsageCan be used alone or with a reflexive pronoun like 'behave yourself'.
- be good
- mind one's manners
- misbehave
PitfallI told the boy to behave himself well.I told the boy to behave himself.When using 'behave' to mean 'be good', you do not need the word 'well' if you use a reflexive pronoun like 'himself'.
Etymology tree Proto-Indo-European *h₁ep-der. Proto-Indo-European *h₁epsder. Proto-Indo-European *h₁epider. Proto-Indo-European *h₁pi Proto-Germanic *bider. Proto-Germanic *bi- Proto-West Germanic *bi- Proto-Indo-European *kap-der. Proto-Germanic *habjaną Proto-West Germanic *habbjan Proto-West Germanic *bihabbjan Old English behabban Middle English behaven English behave From Middle English behaven, bihabben (“to restrain, behave”), from Old English behabban (“to surround, embrace, hold, contain, hold back, withhold, restrain”), from Proto-West Germanic *bihabbjan, equivalent to be- + have. Cognate with Middle Low German behebben, behāven (“to receive, acquire, reach, keep”), Low German behebben (“to act, behave”), German behaben (“to behave”).