conforming exactly or almost exactly to fact or to a standard or performing with total accuracy; "an accurate reproduction"; "the accounting was accurate"; "accurate measurements"; "an accurate scale"
(of ideas, images, representations, expressions) characterized by perfect conformity to fact or truth ; strictly correct; "a precise image"; "a precise measurement"
a statement acknowledging something or someone; "she must have seen him but she gave no sign of acknowledgment"; "the preface contained an acknowledgment of those who had helped her"