accurate

[Dianne]

(of ideas, images, representations, expressions) characterized by perfect conformity to fact or truth; strictly correct

[MonicaLes]

conforming exactly or almost exactly to fact or to a standard or performing with total accuracy

[RobertFaw]

Deviating only slightly or within acceptable limits.

[Larrysaelek]

Precisely fixed; executed with care; careful.

[psycho]

Accuracy and precision are two measures of observational error.
Accuracy is how close a given set of measurements (observations or readings) are to their true value, while precision is how close the measurements are to each other.

[argey]

Accurate refers to the quality of being precise, correct, or exact. It is characterized by the absence of errors or mistakes and perfect conformity to a standard, truth, or reality. It could pertain to pieces of information, measurements, results, actions, etc. that fulfills the criteria or specification intended.

[riiiilhuvono]

in exact or careful conformity to truth, or to some standard of requirement, the result of care or pains; free from failure, error, or defect; exact; as, an accurate calculator; an accurate measure; accurate expression, knowledge, etc

[GrompelFem]

Exact and perfect.