Related Clues:

• Push back, perhaps
• Dark brown fur
• Don't just sit there
• Jerk one's knee, e.g.
• Don't just stand there
• Take as a given
• Strike back
• Answer
• Bounce back
• Respond to a stimulus
• Show surprise
• Respond to stimuli
• Suppose
• Jump at a noise, e.g.
• Show one's emotions