The term 'Contemplation of Things Past' is a phrase that refers to the act of reflecting on the past. This phrase can be broken down into five crossword solutions: RETROSPECT (10 letters), SOUVENIR (8 letters), RELIC (5 letters), Proust (6 letters), and RECALL (6 letters). RETROSPECT is the act of looking back on past events or experiences, while a SOUVENIR is an object that serves as a reminder of a past event or experience. A RELIC is an object that has survived from a past era, and Proust is a French novelist who wrote about the power of memory and the past. Finally, RECALL is the act of remembering something from the past.