An engaging answer, perhaps (3)

I believe the answer is:

yes

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

'answer perhaps' is the definition.
'yes' can be an answer for 'answer' (I have seen 'Affirmative answer' mean 'yes' so perhaps 'answer' could also mean 'yes'). I'm not sure about the 'perhaps' bit.

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for yes that I've seen before include "Affirmative reply" , "Positive reply" , "Confirmation" , "Indeed" , "3 across" .)

I've seen this clue in The Irish News.

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