We’re persuaded it’s a little light (3)

I believe the answer is:

led

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'light' is the definition.
(I've seen this in other clues)

I cannot understand how the remainder of the clue works.

(Other definitions for led that I've seen before include "sort of light" , "associated with Zeppelin" , "Guided; small light" , "Influenced" , "Something emitting light" .)

I've seen this clue in the Evening Standard.

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