Retrospection

(n.) The act, or the faculty, of looking back on things past.

Thesaurus Entries

commitment to memory, exercise of memory, flashback, hindsight, learning by heart, looking back, memoir, memorization, memorizing, memory, recall, recalling, recollecting, recollection, reconsideration, reexperiencing, reflection, reliving, remembering, remembrance, reminiscence, retrospect, review, revision, revival, rote, rote memory, study, youth