Wordnet 3.0
NOUN (1)
1. 
 classification according to general type; 
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]
WordNet (r) 3.0 (2006):
typology
    n 1: classification according to general type
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