The Collaborative International Dictionary of English v.0.48:

Identification \I*den`ti*fi*ca"tion\, n. [Cf. F.
   identification.]
   The act of identifying, or proving to be the same; also, the
   state of being identified.
   [1913 Webster]

WordNet (r) 3.0 (2006):

identification
    n 1: the act of designating or identifying something [syn:
         designation, identification]
    2: evidence of identity; something that identifies a person or
       thing
    3: the condition of having the identity (of a person or object)
       established; "the thief's identification was followed quickly
       by his arrest"; "identification of the gun was an important
       clue"
    4: the process of recognizing something or someone by
       remembering; "a politician whose recall of names was as
       remarkable as his recognition of faces"; "experimental
       psychologists measure the elapsed time from the onset of the
       stimulus to its recognition by the observer" [syn:
       recognition, identification]
    5: the attribution to yourself (consciously or unconsciously) of
       the characteristics of another person (or group of persons)