Wiktionary
cipherable
a. able to be ciphered (calculated)
Usage examples of "cipherable".
But no matter: the estimate put upon these things by the fifteen hundred and sixty millions is no proper measure of their value: the proper measure, the just measure, is that which is put upon them by Dreyfus, and is cipherable merely upon the littleness or the vastness of the disappointment which their loss cost him.
It was House-" The ball of smoke puffed and bent out of shape, twisting Ginafae's image and sending her next words out as an unde cipherable blurb.