Crossword Genius

Makes a point about entering argument with different perspective (6)

Ross

I believe the answer is:

tapers

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'makes a point' is the definition.
Although both the answer and definition are verbs in their -s form, I can't understand how one could define the other.

'about entering argument with different perspective' is the wordplay.
'about' says the letters should be written in reverse.
'entering' is an insertion indicator.
'argument' becomes 'spat' (a spat is a disagreement or argument).
'with different perspective' becomes 're' (I can't justify this - if you can you should believe this answer much more).
'spat' enclosing 're' is 'srepat'.
'srepat' written backwards gives 'TAPERS'.

Can you help me to learn more?

(Other definitions for tapers that I've seen before include "Narrows towards the end, like a candle" , "Prates about slender candles" , "Becomes gradually narrower as candle may" , "Narrows toward a point" , "Makes or becomes gradually narrower" .)

I've seen this clue in The Guardian.
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