For her, pleasure's only half nice (5)

I believe the answer is:

joyce

'for her' is the definition.

'pleasure's only half nice' is the wordplay.
'pleasure' becomes 'joy' (synonyms).
'only half' indicates taking half.
'nice' cut in half is 'ce'.
'joy'+'ce'='JOYCE'

(Other definitions for joyce that I've seen before include "James -, Ulysses author" , "James ---, Irish modernist author" , "lady" , "James . . . . ., great Irish novelist" , "James . . . . ., William . . . . ." .)

I've seen this clue in the Evening Standard.

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