Lack, for the most part, somewhere peaceful (5)

I believe the answer is:

haven

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'somewhere peaceful' is the definition.
I can't tell whether this definition defines the answer.

'lack for the most part' is the wordplay.
'lack' becomes 'haven't' (I've seen this in another clue).
'for the most part' means to remove the last letter (most but not all of the letters).
'havent' with its last letter taken away is 'HAVEN'.

Can you help me to learn more?

(Other definitions for haven that I've seen before include "Refuge; harbour" , "Safe harbour" , "Harbour - shelter" , "Safe refuge" , "Place of safety or sanctuary" .)

I've seen this clue in The Times.

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