The Collaborative International Dictionary of English v.0.48:

Compotation \Com`po*ta"tion\, n. [L. compotatio; com- + potare
   to drink.]
   The act of drinking or tippling together. [R.]
   [1913 Webster]

         The fashion of compotation.              --Sir W.
                                                  Scott.
   [1913 Webster]