Source : Webster's Revised Unabridged Dictionary (1913)

Tabulation \Tab`u*la"tion\, n.
   The act of forming into a table or tables; as, the tabulation
   of statistics.

Source : WordNet®

tabulation
     n 1: information set out in tabular form [syn: {tabular matter}]
     2: the act of putting into tabular form; "the tabulation of the
        results"