Cryptic crossword clue
Somewhat stellar gesture, generous in the extreme 7

The most common and most likely answer to this crossword clue is the 7 letter word LARGEST

I've seen this crossword clue in Financial Times
L
A
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G
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Buddy explains!

The straight part
We know that "generous in the extreme" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case generous in the extreme = largest.
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 LARGEST mean?

LARGEST adjective
  1. Of considerable or relatively great size or extent.
  2. Abundant; ample.
  3. Full in statement; diffuse; profuse.
  4. Free; unencumbered.
  5. Unrestrained by decorum; said of language.
  6. Crossing the line of a ship's course in a favorable direction; said of the wind when it is abeam, or between the beam and the quarter.

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