The Collaborative International Dictionary of English v.0.48:

Triumph \Tri"umph\, v. i. [imp. & p. p. Triumphed; p. pr. &
   vb. n. Triumphing.] [L. triumphare: cf. F. triompher. See
   Triumph, n.]
   1. To celebrate victory with pomp; to rejoice over success;
      to exult in an advantage gained; to exhibit exultation.
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            How long shall the wicked triumph?    --Ps. xciv. 3.
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            Sorrow on thee and all the pack of you
            That triumph thus upon my misery!     --Shak.
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   2. To obtain victory; to be successful; to prevail.
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            Triumphing over death, and chance, and thee, O Time.
                                                  --Milton.
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            On this occasion, however, genius triumphed.
                                                  --Macaulay.
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   3. To be prosperous; to flourish.
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            Where commerce triumphed on the favoring gales.
                                                  --Trumbull.
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   4. To play a trump card. [Obs.] --B. Jonson.
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The Collaborative International Dictionary of English v.0.48:

Triumphing \Tri"umph*ing\, a.
   Having or celebrating a triumph; victorious; triumphant. --
   Tri"umph*ing*ly, adv.
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