Enthralling

[Renato]

amazing, [captivating]; to [lure] someone into [whatever it is] that you are saying, or selling.
often used sarcastically, as a way to tell the Seller that while you are listening, you just do not care.

[Kai]

Capturing and holding ones attention; fascinating.

[Monty]

Word used by [snotty] [rich kids] or adults who absolutely [despise] something in sarcasm.

[Michiko]

keeping someones interest and attention completely: