Reminiscence (noun)

1. The act or faculty of recalling past experiences or memories; recollection.
2. An instance of this.

Origin:

From the latin reminiscēns, present participle of reminīscī, from re- + minīscī ("remembe.r")

Examples:

1. The old man sat in his rocking chair, lost in reminiscence.
2. She began to tell me about her childhood, her voice full of reminiscence.
3. His paintings are full of reminiscence of his childhood.
4. The music evoked a powerful reminiscence of her youth.
5. The novel is a reminiscence of the author's life.