The most common and most likely answer to this crossword clue is the 10 letter word RETROSPECT
R
E
T
R
O
S
P
E
C
T
More clues leading to the result RETROSPECT
- Historic city reduced in particular view of the past
- Republican leads top-secret rolling review
- Review top secret revenue’s source after hacking
- Looking back, honour involves stardom occasionally
- Deference about Old Right, revolutionary in hindsight
- Review top secret source of revenue after hacking
- Looking back with honour to accept the origins of this royal office
- Mushrooms in rich cake lead to ridicule in this review!
- PC setter or otherwise looking back
- Free port erects a position to examine one’s past
Buddy explains!

The straight part
We know that "Review" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case review = retrospect.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does RETROSPECT mean?
RETROSPECT noun- Consideration of past times.
- To look or refer back to; to reflect on.