The Collaborative International Dictionary of English v.0.48:
Discoverable \Dis*cov"er*a*ble\, a. Capable of being discovered, found out, or perceived; as, many minute animals are discoverable only by the help of the microscope; truths discoverable by human industry. [1913 Webster]WordNet (r) 3.0 (2006):
discoverable adj 1: capable of being ascertained or found out; "ascertainable facts" [syn: ascertainable, discoverable]