Synonyms and related words :
adviser, announcer, annunciator, attestant, attestator, attester, authority, bystander, channel, cojuror, communicant, communicator, compurgator, deponent, earwitness, enlightener, examinant, examinate, examinee, expert witness, eyewitness, gossipmonger, grapevine, information center, information medium, informer, interviewee, monitor, mouthpiece, newsmonger, notifier, passerby, press, public relations officer, publisher, questionee, quizzee, radio, reporter, source, spectator, spokesman, subject, swearer, television, teller, testifier, tipster, tout, voucher, witness