eastwards

from WordNet (r) 3.0 (2006)

eastwards
    adv 1: toward the east; "they migrated eastward to Sweden" [syn:
           {eastward}, {eastwards}]

from The Collaborative International Dictionary of English v.0.48

Eastward \East"ward\, Eastwards \East"wards\, adv.
   Toward the east; in the direction of east from some point or
   place; as, New Haven lies eastward from New York.
   [1913 Webster]