مصدق

muṣaddiq (act. part. of صدق 'to prove to be truthful, or true; to confirm the truth of,' ii of دقص 'to prove (or turn out) true,' etc.), part. adj. & s.m. Proving to be true, verifying;—a verifier;—an affirmer;—one who believes another:—muṣaddaq (pass. part. of the same verb), part. Proved to be true, verified, confirmed; attested; authenticated.