Source : Webster's Revised Unabridged Dictionary (1913)

Blossom \Blos"som\, v. i. [imp. & p. p. {Blossomed}; p. pr. &
   vb. n. {Blossoming}.] [AS. bl?stmian. See {Blossom}, n.]
   1. To put forth blossoms or flowers; to bloom; to blow; to
      flower.

            The moving whisper of huge trees that branched And
            blossomed.                            --Tennyson.

   2. To flourish and prosper.

            Israel shall blossom and bud, and full the face of
            the world with fruit.                 --Isa. xxvii.
                                                  6.

Source : WordNet®

blossoming
     n : the time and process of budding and unfolding of blossoms
         [syn: {flowering}, {florescence}, {inflorescence}, {anthesis},
          {efflorescence}]