The Collaborative International Dictionary of English v.0.48:

Identify \I*den"ti*fy\, v. t. [imp. & p. p. Identified; p. pr.
   & vb. n. Identifying.] [Cf. F. identifier. See Identity,
   and -fy.]
   1. To make to be the same; to unite or combine in such a
      manner as to make one; to treat as being one or having the
      same purpose or effect; to consider as the same in any
      relation.
      [1913 Webster]

            Every precaution is taken to identify the interests
            of the people and of the rulers.      --D. Ramsay.
      [1913 Webster]

            Let us identify, let us incorporate ourselves with
            the people.                           --Burke.
      [1913 Webster]

   2. To establish the identity of; to prove to be the same with
      something described, claimed, or asserted; as, to identify
      stolen property.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

identifying \identifying\ adj.
   1. serving to distinguish or identify an object, person,
      species or group; as, we were asked to describe any
      identifying marks or distinguishing features. [prenominal]

   Syn: distinguishing, distinctive.
        [WordNet 1.5]