Improves (8)
'improves' is the definition.
(enhancing is a kind of improving)
This is all the clue.
(Other definitions for enhances that I've seen before include "Adds to" , "Heightens, intensifies or increases in value" , "Makes better or heightens" , "Increases attractiveness or other qualities of" , "Improves or increases intensity" .)
'improves' is the definition.
('amend' can be a synonym of 'improve')
This is all the clue.
(Other definitions for amends that I've seen before include "Make these to atone for wrong done" , "Make these to make up for past wrongs" , "Make these to atone for injuries or loss caused" , "Atonement" , "Make these to right wrong" .)