navigability

Definition of Navigability in English :

1. navigability

the quality of being suitable for the passage of a ship or aircraft

WordNet Lexical Database for English. Princeton University. 2010.

Navigability

adjective

1.

wide, deep, or safe enough to be sailed on or through

a navigable channel

2.

capable of being steered or controlled

a navigable raft

adjective

1.

wide or deep enough, or free enough from obstructions, for the passage of ships

a navigable river

2.

that can be steered, or directed

a navigable balloon

adj.

1. Sufficiently deep or wide to provide passage for vessels: navigable waters; a navigable river.

2. Capable of being steered. Used of boats, ships, or aircraft.