The verb behave has 3 senses (first 3 from tagged texts)
1. (20) act, behave, do -- (behave in a certain manner; show a certain behavior; conduct or comport oneself; "You should act like an adult"; "Don't behave like a fool"; "What makes her do this way?"; "The dog acts ferocious, but he is really afraid of people")
2. (4) behave, acquit, bear, deport, conduct, comport, carry -- (behave in a certain manner; "She carried herself well"; "he bore himself with dignity"; "They conducted themselves well during these difficult times")
3. (1) behave, comport -- (behave well or properly; "The children must learn to behave")