The most common and most likely answer to this crossword clue is the 10 letter word ESTIMATION
I've seen this crossword clue in Financial Times
E
S
T
I
M
A
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N
More clues leading to the result ESTIMATION
- Recklessly I steam into making a guess
- Respect valuation opinion
- Appraisal Nutmeg’s given in online post?
- I’m in English Channel — it’s rough
- Reckoning on time, as it turned out
- I am brought into English establishment for assessment
- Opinion given in short testimonial, freely
- Belief’s intimate, so converted
- Judgment shown by English leaders of infantry marching into Waterloo?
- Opinion of anti- Semite showing love for English organisation?
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 ESTIMATION mean?
ESTIMATION noun- The process of making an estimate.
- The amount, extent, position, size, or value reached in an estimate.
- Esteem or favourable regard.