Crossword Genius

Have groups of associates succeeded? (7)

Ross

I believe the answer is:

possess

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'have' is the definition.
(I know that have can be written as possess)

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for possess that I've seen before include "Consume" , "Own, keep" , "Have as one's own" , "influence" , "Have - control" .)

I've seen this clue in The Times.
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