IPA: /ˈrɪvɪtɪŋli/
KK: /ˈrɪvɪtɪŋli/
In a way that is extremely interesting or exciting, capturing attention completely.
The movie was rivetingly told, keeping the audience on the edge of their seats.
Rivetingly → It is formed from "rivet" (from Old French *rivet*, meaning a metal pin or bolt) and the suffix "-ingly" (meaning in a manner that). The word "rivetingly" means in a manner that holds attention strongly, as if by a rivet.
Think of a 'rivet' that holds things together tightly, and remember that 'rivetingly' describes something that captures your attention in a strong way.