The Collaborative International Dictionary of English v.0.48:

Itemize \I"tem*ize\, v. t.
   To state in items, or by particulars; to list each item in a
   collection under discussion; as, to itemize the cost of a
   railroad. [Local, U. S.]
   [1913 Webster +PJC]

WordNet (r) 3.0 (2006):

itemize
    v 1: specify individually; "She enumerated the many obstacles
         she had encountered"; "The doctor recited the list of
         possible side effects of the drug" [syn: enumerate,
         recite, itemize, itemise]
    2: place on a list of items; "itemize one's tax deductions"
       [syn: itemize, itemise]