Answer:

RAPT

AnswerCrossword Clue
RAPTEngrossed
RAPTSpellbound
RAPTAbsorbed
RAPTDeeply absorbed
RAPTAll ears
RAPTEnchanted
RAPTMoonstruck
RAPTSpell bound.
RAPTAttentive and then some
RAPTTaken away, mentally
RAPTTransported
RAPTTransported, in a way
RAPTEntranced
RAPTEnthralled
RAPTMesmerized
RAPTVery attentive
RAPTDeeply moved
RAPTReally paying attention
RAPTPaying close attention
RAPTPaying full attention
RAPTHardly daydreaming
RAPTTotally involved
RAPTEngaged
RAPTReally absorbed
RAPTTotally absorbed
RAPTAnything but bored
RAPTAttentive
RAPTDeeply focused
RAPTKind of attention
RAPTEngaged, in a way
RAPTNot at all bored
RAPTGlued to the tube, say
RAPTListening to every word
RAPTLost in a good book, say
RAPTHanging on every word
RAPTNot at all wandering
RAPTAt attention
RAPTLike one who can't put a book down
RAPTDeeply engrossed
RAPTWholly absorbed