Accurate (4)
(Other definitions for right that I've seen before include "The Tory side" , "Fair or just" , "Correct; political wing" , "Valid" , "Girth (anag)" .)
'accurate' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for exact that I've seen before include "Completely accurate" , "Rigorous" , "Precisely correct" , "Spot on, precise" , "far from improvised?" .)
'accurate' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for true that I've seen before include "Bona fide" , "Genuine; faithful" , "Exact, factual" , "Agreeing with fact or reality" , "Veritable" .)