Source : Webster's Revised Unabridged Dictionary (1913)

Upward \Up"ward\, Upwards \Up"wards\, adv. [AS. upweardes. See
   {Up-}, and {-wards}.]
   1. In a direction from lower to higher; toward a higher
      place; in a course toward the source or origin; -- opposed
      to downward; as, to tend or roll upward. --I. Watts.

            Looking inward, we are stricken dumb; looking
            upward, we speak and prevail.         --Hooker.

   2. In the upper parts; above.

            Dagon his name, sea monster, upward man, And down
            ward fish.                            --Milton.

   3. Yet more; indefinitely more; above; over.

            From twenty years old and upward.     --Num. i. 3.

   {Upward of}, or {Upwards of}, more than; above.

            I have been your wife in this obedience Upward of
            twenty years.                         --Shak.

Source : WordNet®

upwards
     adv 1: spatially or metaphorically from a lower to a higher
            position; "look up!"; "the music surged up"; "the
            fragments flew upwards"; "prices soared upwards";
            "upwardly mobile" [syn: {up}, {upward}, {upwardly}]
            [ant: {down}, {down}, {down}, {down}]
     2: to a later time; "they moved the meeting date up"; "from
        childhood upward" [syn: {up}, {upward}]