Antonyms:
* Conceal: To hide or keep secret.
* Disguise: To alter the appearance of something to make it unrecognizable.
* Obscure: To make something unclear or difficult to understand.
* Misidentify: To wrongly identify something.
* Anonymize: To remove identifying information from something.
Synonyms:
* Recognize: To know or be able to name someone or something.
* Determine: To establish something with certainty.
* Classify: To put something into a category.
* Label: To attach a name or description to something.
* Pinpoint: To locate something precisely.
The best antonym or synonym for "identify" will depend on the specific context in which it is used.