The Collaborative International Dictionary of English v.0.48:
Fordable \Ford"a*ble\, a. Capable of being forded. -- Ford"a*ble*ness, n. [1913 Webster]WordNet (r) 3.0 (2006):
fordable adj 1: shallow enough to be crossed by walking or riding on an animal or in a vehicle; "the stream was fordable"