Crossword Genius

Considered what brought about one journalist going after another (6)

Ross

I believe the answer is:

heeded

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'considered' is the definition.
Although both the answer and definition are past participle verbs, I don't understand how they can define each other.

'what brought about one journalist going after another' is the wordplay.
'what' becomes 'eh' (sound used to ask 'what?' or 'pardon?').
'brought about' says the letters should be written in reverse.
'one journalist' becomes 'ed' (short for editor).
'going after' says to put letters next to each other.
'another' becomes 'ed' (I can't explain this - if you can you should give a lot more credence to this answer).
'eh' backwards is 'he'.
'he'+'ed'+'ed'='HEEDED'

Can you help me to learn more?

(Other definitions for heeded that I've seen before include "Took note" , "Took notice of" , "Respected" , "Paid attention to, say warning" , "Listened, minded" .)

I've seen this clue in The Times.
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