Source : Webster's Revised Unabridged Dictionary (1913)

Beget \Be*get"\, v. t. [imp. {Begot}, (Archaic) {Begat}; p. p.
   {Begot}, {Begotten}; p. pr. & vb. n. {Begetting}.] [OE.
   bigiten, bigeten, to get, beget, AS. begitan to get; pref.
   be- + gitan. See {Get}, v. t. ]
   1. To procreate, as a father or sire; to generate; --
      commonly said of the father.

            Yet they a beauteous offspring shall beget.
                                                  --Milton.

   2. To get (with child.) [Obs.] --Shak.

   3. To produce as an effect; to cause to exist.

            Love is begot by fancy.               --Granville.

Begotten \Be*got"ten\,
   p. p. of {Beget}.

Source : WordNet®

beget
     v : make children; "Abraham begot Isaac"; "Men often father
         children but don't recognize them" [syn: {get}, {engender},
          {father}, {mother}, {sire}, {generate}, {bring forth}]
     [also: {begotten}, {begot}, {begetting}, {begat}]

begotten
     adj : (of offspring) generated by procreation; "naturally begotten
           child"

begotten
     See {beget}