Retrospection (noun)

The act of looking back on or thinking about past events or experiences.

Origin:

From retro- (meaning "backwards") andspection (meaning "looking a.t")

Examples:

1. The author's retrospection on his childhood helped him understand his motivations.
2. The artist's retrospection on his past works helped him plan his next exhibit.
3. The company's retrospection on its past decisions helped it make better future choices.
4. The executive's retrospection on her career helped her plan her next move.
5. The scientist's retrospection on his experiments helped him identify his mistakes.