D defs.my
Entry 1 sense Webster, 1913

Perpetuation

/pẽrp-ĕchˌ-əw-āsh'-ən/ · Per·pet·u·a·tion · IPA /pə(ɹ)ˌpɛtjuˈeɪʃən/
01 n. The act of making perpetual, or of preserving from extinction through an endless existence, or for an indefinite period of time; continuance.
  1. 1.
    The act of making perpetual, or of preserving from extinction through an endless existence, or for an indefinite period of time; continuance.