Pleased with the field (3)

I believe the answer is:

lea

'the field' is the definition.
(thesaurus)

'pleased with' is the wordplay.
'with' says the answer is hidden in the clue.
'LEA' is hidden within 'pleased'.

(Other definitions for lea that I've seen before include "authority for teachers" , "Tract of pastureland" , "Meadow (poetic)" , "Pasture, London river" , "River of east London" .)

I've seen this clue in The Mirror.

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