investigable

from The Collaborative International Dictionary of English v.0.48
Investigable \In*ves"ti*ga*ble\, a. [L. investigabilis. See
   {Investigate}.]
   Capable or susceptible of being investigated; admitting
   research. --Hooker.
   [1913 Webster]
    
from The Collaborative International Dictionary of English v.0.48
Investigable \In*ves"ti*ga*ble\, a. [L. investigabilis. See
   {In-} not, and {Vestigate}.]
   Unsearchable; inscrutable. [Obs.]
   [1913 Webster]

         So unsearchable the judgment and so investigable the
         ways thereof.                            --Bale.
   [1913 Webster]
    

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