IPA: /ˈvjuːəbl/
KK: /ˈvjuːəbl/
Able to be seen or viewed; something that can be observed or displayed.
The presentation was designed to be viewable on all devices.
Viewable → It is formed from "view" (from Old French *veue*, meaning sight or vision) and "-able" (meaning capable of). The word "viewable" means capable of being seen or viewed.
Think of something that is 'capable of being seen' — 'view' relates to sight, and '-able' indicates capability.