The most common and most likely answer to this crossword clue is the 7 letter word PEERAGE
I've seen this crossword clue in The Guardian
P
E
E
R
A
G
E
More clues leading to the result PEERAGE
- Lords and ladies look to get on
- Aristocracy look to get on
- Noble individuals look mature
- Nobles open at heart, eager to change
- Look to mature nobles
- Piss and rant: the making of the House of Lords
- To look one’s years requires nobility
- Make water boil for Earl Grey etc
- Lords and ladies
- Look closely at date of Debrett’s book?
Buddy explains!
The straight part
We know that "Debrett’s book" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case debrett’s book = peerage.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 PEERAGE mean?
PEERAGE noun- Peers as a group; the nobility, aristocracy.
- The rank or title of a peer or peeress.
- A book listing such people and their families.