The Collaborative International Dictionary of English v.0.48:

Immortalize \Im*mor"tal*ize\, v. t. [imp. & p. p.
   Immortalized; p. pr. & vb. n. Immortalizing.] [Cf. F.
   immortaliser.]
   1. To render immortal; to cause to live or exist forever.
      --S. Clarke.
      [1913 Webster]

   2. To exempt from oblivion; to perpetuate in fame.
      [1913 Webster]

            Alexander had no Homer to immortalize his guilty
            name.                                 --T. Dawes.
      [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

30 Moby Thesaurus words for "immortalized":
   aggrandized, apotheosized, awesome, beatified, big, canonized,
   deified, elevated, eminent, ennobled, enshrined, enthroned,
   exalted, excellent, glorified, grand, great, held in awe, high,
   high and mighty, immortal, lofty, magnified, mighty, sainted,
   sanctified, shrined, sublime, supereminent, throned