Make better (4)
'make better' is the definition.
(enhancing is a kind of making better)
This is all the clue.
(Other definitions for enhance that I've seen before include "Improve the quality of (something)" , "produce better image" , "Make better or more attractive" , "Boost" , "Increase in power" .)
(Other definitions for slander that I've seen before include "False or malicious report" , "Calumny" , "Snarled about malicious statement" , "Malicious gossip" , "backbiting" .)
(Other definitions for sweeten that I've seen before include "Soften up" , "placate" , "Add sugar or honey" , "Make more palatable" , "We teens! (anag)" .)
'make better' is the definition.
(synonyms)
This is all the clue.
(Other definitions for improve that I've seen before include "reform" , "Make progress" , "Change for the better" , "Become better" , "Get or make better" .)
(Other definitions for detract that I've seen before include "Take away (from worth)" , "Belittle" , "Derogate" , "Devaluate" , "Diminish the worth (of)" .)
(Other definitions for blister that I've seen before include "Bristle (anag.)" , "Bubble-like swelling on skin" , "Thin bubble on the skin" , "Effect of rubbing on skin" , "Friction bubble on skin" .)
(Other definitions for spatter that I've seen before include "Sprinkle" , "spray" , "shower" , "Set part (anag.)" , "Cover with droplets" .)
(Other definitions for traduce that I've seen before include "Defame, slander" , "abuse" , "Asperse" , "Speak badly of" , "Tell lies about (someone)" .)
(Other definitions for tarnish that I've seen before include "Stain, metal or reputation" , "Discolour - sully" , "Go dull" , "Cause to lose lustre, say silver" , "Become dull or blemished" .)
(Other definitions for asperse that I've seen before include "Slander, spread false rumours about - as peers may?" , "Defame" , "Disparage" , "Malign" , "See spar could slander oddly" .)
(Other definitions for rundown that I've seen before include "Be critical of" , "summary" , "Decry" , "Disparage" , "brief analysis" .)
(Other definitions for couture that I've seen before include "High fashion design" , "Dress designing" , "Design and manufacture of clothing" , "High-fashion dressmaking" .)
(Other definitions for blacken that I've seen before include "Besmirch" , "Soil" , "Destroy (a reputation)" , "Tarnish" , "Damage (a reputation)" .)
'make better' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for heal that I've seen before include "Cure, mend" , "Cure, restore" , "Cure, recover" , "Cure, make well" , "Become healthy again" .)
'make better' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for ameliorate that I've seen before include "Make (something) better" , "Become better" , "Make (a bad thing) better" , "seen to improve" .)