navigate

v. (-ting) 1 manage or direct the course of (a ship or aircraft) using maps and instruments. 2 a sail on (a sea, river, etc.). B fly through (the air). 3 (in a car etc.) Assist the driver by map-reading etc. 4 sail a ship; sail in a ship.  navigator n. [latin navigo from navis]

v. i. To joirney by water; to go in a vessel or ship; to perform the duties of a navigator; to use the waters as a highway or channel for commerce or communication; to sail.