behave

/bɪˈheɪv/
verb
  1. To act or conduct oneself in a specified way, especially in a socially acceptable manner.
    • Please behave yourself at the dinner table.
    • The children behaved well during the long car ride.
    • He behaved like a true professional during the meeting.
  2. To function or react in a particular way (used for machines, substances, or systems).
    • The software behaves as expected after the update.
    • The car behaves strangely when it's cold outside.
    • This chemical behaves differently when heated.
Antonyms
What does "behave" mean? | whatsthatwordmean | whatsthatwordmean