The Collaborative International Dictionary of English v.0.48:
Traversable \Trav"ers*a*ble\, a. 1. Capable of being traversed, or passed over; as, a traversable region. [1913 Webster] 2. Deniable; specifically (Law), liable to legal objection; as, a traversable presentment. --Sir M. Hale. [1913 Webster]WordNet (r) 3.0 (2006):
traversable adj 1: capable of being traversed; "highway crews soon had the roads travelable" [syn: traversable, travelable]