IPA: /ˈbæŋkəbl/
KK: /ˈbæŋkəbl/
Something that is acceptable to a bank or likely to bring profit.
The film was considered bankable because of its star cast and strong script.
Bankable → It is formed from "bank" (from Old Italian *banca*, meaning a bench or table for money exchange) and "-able" (meaning capable of). The word "bankable" refers to something that is capable of being accepted by a bank or is financially viable.
Think of something that is 'capable' ('-able') of being accepted by a 'bank' — that's why we call it bankable.