Related Clues:

• More than attentive
• Thoroughly involved
• Fully engaged
• Deeply focused
• Kind of attention
• Really paying attention
• Extremely attentive
• Glued to the tube, e.g.
• Immersed
• Anything but bored
• Totally attentive
• Not merely paying attention
• Engaged, in a way
• Absorbed in
• Not at all bored