convincingness (noun)

1. The convincingness of the plot twists in the anime series kept the viewers engaged throughout.

2. The convincingness of the author's arguments in the book persuaded many readers to reconsider their beliefs.

3. The convincingness of the horror movie's special effects made it difficult for some audience members to sleep at night.

4. The convincingness of the dialogue and performances in the film made the audience emotionally invested in the characters.