Accurate, a.
Etymology: [L. accuratus, p. p. and a., fr. accurare to take care of; ad + curare to take care, cura care. See Cure.]
1. 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.
2. Precisely fixed; executed with care; careful. [Obs.] Those conceive the celestial bodies have more accurate influences upon these things below. Bacon.
Syn. -- Correct; exact; just; nice; particular. -- Accurate, Correct, Exact, Precise. We speak of a thing as correct with reference to some rule or standard of comparison; as, a correct account, a correct likeness, a man of correct deportment. We speak of a thing as accurate with reference to the care bestowed upon its execution, and the increased correctness to be expected therefrom; as, an accurate statement, an accurate detail of particulars. We speak of a thing as exact with reference to that perfected state of a thing in which there is no defect and no redundance; as, an exact coincidence, the exact truth, an exact likeness. We speak of a thing as precise when we think of it as strictly conformed to some rule or model, as if cut down thereto; as a precise conformity instructions; precisely right; he was very precise in giving his directions.
Shades of meaning
Fernald has no entry of its own for accurate; he lists it under perfect.
Where he writes about it:
That is perfect to which nothing can be added, and from which nothing can be taken without impairing its excellence, marring its symmetry, or detracting from its worth; in this fullest sense God alone is perfect, but in a limited sense anything may be perfect in its kind; as a perfect flower; a copy of a document is perfect when it is accurate in every particular; a vase may be called perfect when entire and unblemished, even tho not artistically faultless; the best judges never pronounce a work of art perfect, because they see always ideal possibilities not yet attained; even the ideal is not perfect, by reason of the imperfection of the human mind; a human character faultlessly holy would be morally perfect tho finite. — from perfect