Accurate

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.

Precisely fixed; executed with care; careful.

(of ideas, images, representations, expressions) characterized by perfect conformity to fact or truth; strictly correct; "a precise image"; "a precise measurement"