Functionality (noun)

The state or quality of being able to perform a certain function or set of functions.

Origin:

Formed from the word "function" with the suffix "-ality".

Examples:

1. The new software has improved functionality.
2. The watch has a wide range of functionality, including a stopwatch and alarm.
3. The design of the website was focused on functionality over aesthetics.
4. The functionality of the device was limited by its small size.
5. The device's functionality is determined by the software that runs on it.