IPA: /ˈfɪtəbl/
KK: /ˈfɪtəbl/
Something that is suitable or appropriate for a particular purpose or situation.
The new parts are fittable to the existing machinery without any modifications.
Comparative: more fittable
Superlative: most fittable
Fittable → It is formed from "fit" (from Old English *fittan*, meaning to make suitable or to adapt) and "-able" (meaning capable of being). The word "fittable" means capable of being made suitable or adaptable to a particular purpose.
Think of something that can be 'made suitable' ('fit') and is 'capable of being' ('-able') adjusted for a specific use.