Source : Webster's Revised Unabridged Dictionary (1913)

Westward \West"ward\, Westwards \West"wards\, adv. [AS.
   westweard. See {West}, and {-ward}. ]
   Toward the west; as, to ride or sail westward.

         Westward the course of empire takes its way.
                                                  --Berkeley.

Source : WordNet®

westwards
     adv : toward the west; "they traveled westward toward the setting
           sun" [syn: {westward}]