n.

1. 认出；识别；鉴定；确认[U]
   the identification of criminals by their fingerprints

   凭指纹确认罪犯

2. 身份证明；身份证[U][C]
   I used my driver's license as identification.

   我用驾驶执照作为身份证明。

3. 有关联；认同；一体感[U][（+with）]
   The candidate's identification with organized crimes cost him the election.

   那位候选人因与集团犯罪有关联而落选。

n.