The most common and most likely answer to this crossword clue is the 11 letter word CHERRY-PICK
I've seen this crossword clue in Independent
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Buddy explains!
The straight part
We know that "Select the best" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case select the best = cherry-pick.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 CHERRY-PICK mean?
CHERRY-PICK verb- To pick out the best or most desirable items from a list or group, especially to obtain some advantage or to present something in the best possible light.
- (by extension) To select only evidence which supports an argument, and reject or ignore contradictory evidence.
- To position oneself near the opponent's goal to attempt to receive an errant or intentional pass for an easy score, as in basketball or versions of soccer where offsides are not enforced.
- To broadcast selected programming from another network.