Recollection

noun

1. The act of recollecting, or recalling to the memory; the act of recalling to memory
2. The power of recalling ideas to the mind, or the period within which things can be recollected; remembrance

   "Alas that distant event isn't within my recollection anymore."

3. That which is recollected; something called to mind; a reminiscence.
4. The act or practice of collecting or concentrating the mind; concentration; self-control.

   "From such an education Charles contracted habits of gravity and recollection."

5. A spiritual retreat, especially one that is short.