recovered memory

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A memory of an experience, especially a traumatic one, that is recalled after an often lengthy period of repression, usually after consultation with a therapist.
• noun An imagined event believed to be recalled as such a memory.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun a repressed memory, sometimes one of sexual abuse