IPA: /ˈtɛl.ə.bəl/
KK: /ˈtɛləbəl/
Something that can be told or narrated.
The story was so interesting that it was definitely tellable.
Comparative: more tellable
Superlative: most tellable
Tellable → It is formed from "tell" (from Old English *tellan*, meaning to count or relate) and "-able" (meaning capable of). The word "tellable" means capable of being told or related.
Think of the word 'tell' which means to relate something, and remember that 'tellable' refers to something that can be related or told.