Source : Webster's Revised Unabridged Dictionary (1913)

Perpetuation \Per*pet`u*a"tion\, n. [Cf. F. perp['e]tuation.]
   The act of making perpetual, or of preserving from extinction
   through an endless existence, or for an indefinite period of
   time; continuance. --Sir T. Browne.

Source : WordNet®

perpetuation
     n : the act of prolonging something; "there was an indefinite
         prolongation of the peace talks" [syn: {prolongation}, {protraction},
          {lengthening}]