Source : Webster's Revised Unabridged Dictionary (1913)

Touchable \Touch"a*ble\, a.
   Capable of being touched; tangible. -- {Touch"a*ble*ness}, n.

Source : WordNet®

touchable
     adj : having substance or material existence; perceptible to the
           senses; "a physical manifestation"; "surrounded by
           tangible objects" [syn: {physical}, {tangible}]