Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Adjective: thinkable  thing-ku-bul
  1. Capable of being conceived, imagined or considered
    "It was thinkable that men might become rational"

See also: believable, cogitable, conceivable, credible, imaginable, ponderable, possible, presumable, supposable, surmisable

Antonym: unthinkable