THESAURUS
accurate, close, constant, correct, delicate, dependable, direct, even, exact, express, faithful, fine, inerrable, infallible, mathematical, micrometrically precise, microscopic, nice, pinpoint, precise, refined, reliable, religious, religiously exact, rigid, rigorous, scientific, scientifically exact, severe, square, strict, subtle, sure, trustworthy, undeviating, unerring