EXAMPLES FROM THE WEB FOR FUNCTIONALITY
Functionality expresses this condition, though only partially.
A sense of community requires that its members share in the functionality of literacy.
The patterns were those of physical harmony, not of comparison; of aesthetics, not of functionality.
The general notions of functionality, limits and continuity are explained in the article Function.
The nearest to it to be found there is "Functionality," which is defined as — "The state of having or being a function."
It had much of the functionality of my defunct systems, in a package I could slip in my shirt pocket.