Source : Webster's Revised Unabridged Dictionary (1913)

Perpetuate \Per*pet"u*ate\, v. t. [imp. & p. p. {Perpetuated};
   p. pr. & vb. n. {Perpetuating}.] [L. perpetuatus, p. p. of
   perpetuare to perpetuate. See {Perpetual}.]
   To make perpetual; to cause to endure, or to be continued,
   indefinitely; to preserve from extinction or oblivion; to
   eternize. --Addison. Burke.

Perpetuate \Per*pet"u*ate\, a. [L. perpetuatus, p. p.]
   Made perpetual; perpetuated. [R.] --Southey.

Source : WordNet®

perpetuate
     v : cause to continue or prevail; "perpetuate a myth"