Comparatively impartially (6)

I believe the answer is:

fairly

I believe this is a double definition.

'comparatively' is the first definition.
(thesaurus)

'impartially' is the second definition.
(thesaurus)

(Other definitions for fairly that I've seen before include "pretty" , "Moderately" , "Equitably; passably" , "Rather" , "In an evenhanded manner - somewhat" .)

I've seen this clue in the Evening Standard.

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