The Collaborative International Dictionary of English v.0.48:

Tabulate \Tab"u*late\, v. t. [imp. & p. p. Tabulated; p. pr. &
   vb. n. Tabulating.] [L. tabula a table. See Tabular.]
   1. To form into a table or tables; to reduce to tables or
      synopses.
      [1913 Webster]

            A philosophy is not worth the having, unless its
            results may be tabulated, and put in figures. --I.
                                                  Taylor.
      [1913 Webster]

   2. To shape with a flat surface.
      [1913 Webster]

WordNet (r) 3.0 (2006):

tabulate
    v 1: arrange or enter in tabular form [syn: table,
         tabularize, tabularise, tabulate]
    2: shape or cut with a flat surface