Source : Webster's Revised Unabridged Dictionary (1913)

Skyward \Sky"ward\, a. & adv.
   Toward the sky.

Source : WordNet®

skyward
     adj : directed toward heaven or the sky; "the soul in its
           heavenward flight" [syn: {heavenward}]
     adv : toward the sky; "look skywards!" [syn: {skywards}]