Source : Webster's Revised Unabridged Dictionary (1913)

Memorialize \Me*mo"ri*al*ize\, v. t. [imp. & p. p.
   {Memorialized}; p. pr. & vb. n. {Memorializing}.]
   To address or petition by a memorial; to present a memorial
   to; as, to memorialize the legislature. --T. Hook.

Source : WordNet®

memorialize
     v 1: address in a memorial; "The President memorialized the
          heroes of the battle" [syn: {memorialise}]
     2: be or provide a memorial to a person or an event; "This
        sculpture commemorates the victims of the concentration
        camps"; "We memorialized the Dead" [syn: {commemorate}, {memorialise},
         {immortalize}, {immortalise}, {record}]