act

(verb)

behave in a certain manner; show a certain behavior; conduct or comport oneself

All clip examples

• Paul's been gone too long for you to act like this. (The Amazing Mr. X)
• I'm sorry I acted like a child. (The Amazing Mr. X)
• Stop it. You're acting like a child. (Night of the Living Dead)
• No use acting as if you didn't know me. I'm your wife. (The Last Time I Saw Paris)
• And things that look like people but act like animals. (Night of the Living Dead)