IPA: /ˈjuːzəblnəs/
KK: /ˈjuːzəblnəs/
The quality or state of being able to be used or utilized effectively.
The usableness of the new software made it popular among users.
Usableness → It is formed from "usable" (from the root "use" which comes from Old French *user*, meaning to employ or utilize) and the suffix "-ness" (meaning the state or quality of). The word "usableness" refers to the quality of being usable or the state of being able to be used.
Think of the word 'use' which means to employ something, and remember that 'usableness' describes the quality of being able to be employed or utilized.