Synonyms for Accurate:

adj.

all (adjective)
exact, precise.
certain (adjective)
unquestionable.
correct (adjective)
exact, right, suitable, valid, correct, precise.
correct, without error (adjective)
final, unimpeachable, actual, flawless, valid, undeniable, undisputed, authoritative, unquestionable, straight, conclusive, definitive, errorless, certain, infallible.
dead-on (adjective)
unerring.
fastidious (adjective)
discriminating, hypercritical, careful, scrupulous, Qualmish, prudish, punctilious, severe, prim, fussy, conscientious, priggish, critical, proper, finicky, methodical, literal, flawless, mincing, diligent, picky, choosy, rigorous, correct, discerning, perspicacious, precise, delicate, squeamish, dainty, epicurean, fastidious, persnickety, particular, demanding, exacting, meticulous.
literal (adjective)
literal, exact, overt, authentic, actual, explicit, precise, prosaic, verbatim.
precise (adjective)
explicit, methodical, authentic, strict, unerring, skillful, solid, systematic, severe, literal, close, scrupulous, correct, sharp, judicious, particular, meticulous, just, punctilious, distinct, scientific, careful, specific, veracious, exact, rigorous, precise, deft, true, definite, factual, genuine, rigid, right, discriminating, faithful, proper.
reliable (adjective)
trustworthy.
veracious (adjective)
factual, correct, authentic, honest, ingenuous, genuine, veracious, true.

n.

real, veridical. accurate (noun)
veracious, true, faithful, dead on target, close, dead-on, high fidelity, hi-fi, straight.

Other synonyms:

reliable, errorless, scientific, unerring, right on. solid, veridical, objective. accurate
nice.
beyond doubt
certain.
dependable
trustworthy.
high-fidelity
high fidelity.
unerring
infallible.
well-advised
judicious.

Usage examples for accurate

  1. Movements were steady and accurate – Studies in Forensic Psychiatry by Bernard Glueck
  2. The girls had not seen any of them, but could give almost as accurate descriptions as though they had. – Neighbours by Robert Stead
  3. And, producing a sketch- book from his pocket, he dashed off a very accurate view of the place with remarkable rapidity and skill. – The Prussian Terror by Alexandre Dumas