Precisely (7)
There are a few possibilities for this:
'precisely' is the definition.
(I know that precisely can be written as exactly)
This is the entire clue.
(Other definitions for exactly that I've seen before include "With precision" , "On the button" , "how one might express agreement?" , "in nice way" , "Quite so" .)
'precisely' is the definition.
(I've seen this in another clue)
This is all the clue.
'precisely' is the definition.
('spot on' can mean exactly right)
This is all the clue.
(Other definitions for spot on that I've seen before include "completely accurately" , "plumb ..." , "What the leading actor may have" , "Exact" , "great accuracy" .)
'precisely' is the definition.
(on the dot can mean at a precise time)
This is all the clue.
(Other definitions for on the dot that I've seen before include "on precise place in line?" , "Absolutely punctual" , "Sharp" , "Promptly" , "Prompt" .)
(Another definition for to a turn that I've seen is " cooked ust right".)
'precisely' is the definition.
(plumb can mean exactly or precisely)
This is the entire clue.
(Other definitions for plumb that I've seen before include "True" , "Lead weight for testing depth or the perpendicular" , "Take soundings at sea" , "For Americans, quite" , "Vertical; measure (depth)" .)
'precisely' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for nose that I've seen before include "scent" , "Flair (for wine)" , "Facial part" , "Front of an aircraft" , "Front of plane" .)
'precisely' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for accurately that I've seen before include "as result at 16A 25 24 [LARGE HADRON COLLIDER] is best recorded!" , "in every detail" .)