WordNet (r) 3.0 (2006):

change course
    v 1: shift from one side of the ship to the other; "The sail
         jibbed wildly" [syn: jibe, gybe, jib, change
         course]

Moby Thesaurus II by Grady Ward, 1.0:

44 Moby Thesaurus words for "change course":
   about ship, back and fill, bear away, bear off, bear to starboard,
   beat, beat about, box off, break, bring about, bring round, cant,
   cant round, cast, cast about, change the heading, come about,
   double a point, fetch about, go about, gybe, heave round, jibe,
   jibe all standing, miss stays, ply, put about, put back,
   round a point, sheer, shift, slew, swerve, swing round,
   swing the stern, tack, throw about, turn, turn back, veer, wear,
   wear ship, wind, yaw