'Drinkable' definitions:

Definition of 'drinkable'

adjective

Suitable for drinking [syn: drinkable, potable] [ant: undrinkable]

noun

Any liquid suitable for drinking; "may I take your beverage order?" [syn: beverage, drink, drinkable, potable]

From: GCIDE

Drinkable \Drink"a*ble\, a. Capable of being drunk; suitable for drink; potable. --Macaulay. Also used substantively, esp. in the plural. --Steele. [1913 Webster]