reminisce
v.to talk about the past and remember happy or interesting times you had with other people.
v.to recall and talk about past events or experiences, typically in a nostalgic or sentimental manner.
“They like to reminisce about their childhood holidays.”
“After the long dinner, the old friends sat by the fire to reminisce about their college days.”
“The documentary invites the former astronauts to reminisce about the challenges of the mission, providing a human perspective on the technical achievements of the era.”
“Francisco Villarruel and Gustavo Galvez sat in a park in Los Angeles reminiscing on their first boxing lesson together.”
“On the other side of the Atlantic, Judi Dench reminisces about a 70-year career in Is It Too Late to Make a Run for It?”
Back-formation from reminiscence, from Latin reminīscēns, present participle of reminīscor (“remember”).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.