typology

from WordNet (r) 3.0 (2006)

typology
    n 1: classification according to general type

from The Collaborative International Dictionary of English v.0.48

Typology \Ty*pol"o*gy\, n. [Type + -logy.]
   1. (Theol.) A discourse or treatise on types.
      [1913 Webster]

   2. (Theol.) The doctrine of types.
      [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

21 Moby Thesaurus words for "typology":
      analysis, arrangement, cataloging, categorization, classification,
      codification, division, filing, grading, grouping, indexing,
      pigeonholing, placement, ranging, ranking, rating, sorting,
      stratification, subdivision, tabulation, taxonomy

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