Avidity (noun)

Eagerness or enthusiasm for something; keen interest.

Origin:

Late 16th century: from latin aviditas, from avidus "eager, greedy".

Examples:

1. The avidity with which the children approached the project was impressive.
2. His avidity for adventure was well-known and respected.
3. Her avidity for learning was apparent in the way she attacked every new task.
4. The avidity with which the fans embraced the new band was undeniable.
5. The avidity of the investors for the new technology was evident in the high demand for shares.