The response to the menswear left them half confused (6)

I believe the answer is:

answer

I'm a little stuck... Click here to teach me more about this clue!

'the response' is the definition.
(synonyms)

I don't understand how the rest of the clue works.

(Other definitions for answer that I've seen before include "'Daisy, Daisy, give me your ...... do'" , "Respond" , "Reaction to a question" , "See 9" , "What you need" .)

I've seen this clue in The Irish Times.

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