Source : Webster's Revised Unabridged Dictionary (1913)

Suspicable \Sus"pi*ca*ble\, a. [L. suspacabilis, fr. suspicari
   to suspect, akin to suspicere. See {Suspect}, v. t.]
   Liable to suspicion; suspicious. [Obs.]

         It is a very suspicable business.        --Dr. H. more.