riveting
US /ˈrɪv.ɪ.t̬ɪŋ/
UK /ˈrɪv.ɪ.t̬ɪŋ/

1.
completely engrossing; fascinating.
:
•
The documentary was absolutely riveting from start to finish.
•
Her performance was so riveting that the audience was completely silent.
completely engrossing; fascinating.