The most common and most likely answer to this crossword clue is the 9 letter word KNOWLEDGE
I've seen this crossword clue in Financial Times
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More clues leading to the result KNOWLEDGE
- As key policy expert, perhaps, recalled for wisdom
- Learning to walk, now led gently inside
- Certainty of replacing new keg with old
- Instruction – raise mostly twisted shelf
- Characters from Kew longed to develop expertise
- Learning king’s currently on shelf
- Daughter in week-long struggle to get information
- King currently taking Latin on verge of enlightenment
- Book’s ending on shelf, currently retained for learning
- Cook, legend with wok, displaying practical skill
Buddy explains!

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 KNOWLEDGE mean?
KNOWLEDGE noun- The fact of knowing about something; general understanding or familiarity with a subject, place, situation etc.
- Awareness of a particular fact or situation; a state of having been informed or made aware of something.
- Intellectual understanding; the state of appreciating truth or information.
- Familiarity or understanding of a particular skill, branch of learning etc.
- (philosophical) Justified true belief
- Sexual intimacy or intercourse (now usually in phrase carnal knowledge).
- Information or intelligence about something; notice.
- The total of what is known; all information and products of learning.
- Something that can be known; a branch of learning; a piece of information; a science.
- Acknowledgement.
- Notice, awareness.
- The deep familiarity with certain routes and places of interest required by taxicab drivers working in London, England.
- To confess as true; to acknowledge.