IPA: //əkˈsɛsəblnəs//
KK: /ækˈsɛsəblnəs/
The quality of being easy to reach, enter, or use. It refers to how available or approachable something is for people.
The accessibleness of the building was improved with the installation of ramps and elevators.
Accessibleness → It is formed from "access" (from Latin "accessus", meaning approach or entry) and the suffix "-ness" (meaning the state or quality of). The word "accessibleness" refers to the quality of being able to be approached or entered.
Think of 'access' as the ability to 'approach' something, and '-ness' indicates a state. So, accessibleness means the state of being approachable.