Retrospect (noun)

The contemplation or examination of past events.

Origin:

Mid 17th century: from latin retrospectus "a looking back", from the verb retrospectare, from retrospect- "looked back", from retro- "back" + spectare "look at".

Examples:

1. In retrospect, the company realized that the merger had been a mistake.
2. The team's performance was evaluated in retrospect.
3. In retrospect, the decision to invest in the stock was not well thought out.
4. The artist's work was viewed in retrospect to understand its influence on the art world.
5. In retrospect, the failure to anticipate the crisis was a major oversight.