Achieve (5)
(Other definitions for effect that I've seen before include "Consequential change; state of becoming operative" , "Grounds for an act" , "Consequence, outcome" , "It follows cause" , "Consequence of some previous happening" .)
'achieve' is the definition.
(I know that achieve can be written as attain)
This is all the clue.
(Other definitions for attain that I've seen before include "Reach objective or ambition" , "Reach objective, get there" , "Succeed in getting or doing" , "Achieve with effort" , "Reach with effort" .)
'achieve' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for pull off that I've seen before include "Successfully execute" , "Achieve a goal" .)
'achieve' is the definition.
(I know that achieve can be written as reach)
This is all the clue.
(Other definitions for reach that I've seen before include "Get to; extent" , "It's an advantage for a boxer" , "Scope; get to" , "stretch of canal between locks" , "Arrive at a point" .)