reminiscer
/ˌrɛmɪˈnɪsɪsər/Definitions
1. verb
to think or speak about past events or experiences
“After seeing the old photo, she began to reminiscer about her childhood.”
2. verb
to recall or think about past experiences or events with a sense of nostalgia
“The smell of the old bookstore made him reminiscer about his college days.”
3. noun
one who reminiscences
“The reminiscer spoke fondly of his time in the military.”