perpetuator|pəˈpɛtjuːeɪtə(r)| [Agent-n. from perpetuate v.: see -or.] One who perpetuates. 1863J. G. Murphy Comm.Gen. iii. 24 The author and perpetuator of a universe of being.1871Smiles Charac. i. (1876) 27 They are the heirs of their greatness, and ought to be the perpetuators of their glory.