The Collaborative International Dictionary of English v.0.48:

Rememoration \Re*mem`o*ra"tion\ (-r?"sh?n), n. [F.
   rem['e]moration, or L. rememoratio.]
   A recalling by the faculty of memory; remembrance. [Obs. &
   R.] --Bp. Montagu.
   [1913 Webster]