Decrease (6)
'decrease' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for lessen that I've seen before include "Become smaller or fewer" , "Make smaller or fewer" , "Contract" , "Shrink" , "Cut back or diminish" .)
'decrease' is the definition.
(reducing is a kind of decreasing)
This is all the clue.
(Other definitions for reduce that I've seen before include "Boil down or cut back" , "Decrease" , "Concentrate" , "Make or become smaller" , "Make smaller or less" .)
'decrease' is the definition.
(abating is a kind of decreasing)
This is all the clue.
(Other definitions for abate that I've seen before include "Decline" , "Wane" , "drop off" , "Subside, grow less" , "Reduce" .)
(Other definitions for lower that I've seen before include "Let down using rowel" , "Farther down" , "Let or haul down" , "Take down" , "Less high in place or position" .)
'decrease' is the definition.
(synonyms)
This is all the clue.
(Other definitions for diminish that I've seen before include "Drop" , "Contract" , "make shorter" , "Peter out" , "Make or become smaller" .)