Her conversion to Buddhism/Islam was a very gradual process.
There has been a gradual degeneration of the judicial system in the last few years.
There is a gradual build-up of suspense throughout the film, until it comes to an unexpected ending.
Example 2 shows three graduals from a group of about nine melodies.
In open-angle glaucoma, there is a gradual loss of vision that rarely leads to blindness.
The evolution from one phase to the other was quite gradual, too.