Related Clues:
- King inclined to be enthralled
- Paying close attention as debts change hands
- Utterly absorbed in something, say
- Turned on bad parent
- Visually rapt
- Not at all wandering
- Goggle-eyed
- Like one who can't put a book down
- Unable to look away
- Far from daydreaming
- Engaged and then some
- Return mailer, for short
- Prepared to listen
- Being very attentive, a learner learns to subtract number?
- Engrossed, spellbound