Source : Webster's Revised Unabridged Dictionary (1913)

Destiny \Des"ti*ny\, n.; pl. {Destinies}. [OE. destinee,
   destene, F. destin['e]e, from destiner. See {Destine}.]
   1. That to which any person or thing is destined;
      predetermined state; condition foreordained by the Divine
      or by human will; fate; lot; doom.

            Thither he Will come to know his destiny. --Shak.

            No man of woman born, Coward or brave, can shun his
            destiny.                              --Bryant.

   2. The fixed order of things; invincible necessity; fate; a
      resistless power or agency conceived of as determining the
      future, whether in general or of an individual.

            But who can turn the stream of destiny? --Spenser.

            Fame comes only when deserved, and then is as
            inevitable as destiny, for it is destiny.
                                                  --Longfellow.

   {The Destinies} (Anc. Myth.), the three Parc[ae], or Fates;
      the supposed powers which preside over human life, and
      determine its circumstances and duration.

            Marked by the Destinies to be avoided. --Shak.

Source : WordNet®

destiny
     n 1: an event (or a course of events) that will inevitably happen
          in the future [syn: {fate}]
     2: the ultimate agency that predetermines the course of events
        (often personified as a woman); "we are helpless in the
        face of Destiny" [syn: {Fate}]
     3: your overall circumstances or condition in life (including
        everything that happens to you); "whatever my fortune may
        be"; "deserved a better fate"; "has a happy lot"; "the
        luck of the Irish"; "a victim of circumstances"; "success
        that was her portion" [syn: {fortune}, {fate}, {luck}, {lot},
         {circumstances}, {portion}]