It's good to be precise (4)
I believe the answer is:
nice
I believe this is a double definition.
'it's good' is the first definition.
(similar in meaning)
'precise' is the second definition.
(similar in meaning)
'to be' acts as a link.
(Other definitions for nice that I've seen before include "Enjoyable" , "good" , "Fine as in distinction, or pleasant" , "Leading resort on the French Riviera" , "Pleasant city in south of France" .)