The definition of doable is something possible or something that can be done.
The definition of feasible is that something is possible, doable or likely.
Capable of happening, existing, or being true without contradicting proven facts, laws, or circumstances:
Usable for a specified purpose:
Able to reason
Not determined by reason; capricious; arbitrary; irrational.
(Informal) Used as an intensive:
Find another word for viable. In this page you can discover 14 synonyms, antonyms, idiomatic expressions, and related words for viable, like: workable, executable, applicable, doable, feasible, possible, practicable, reasonable, impossible, unachievable and unreasonable.