listener Synonyms

hearer attender auditor close handler copycat attendee witness viewer supervisor student spectator sounding-board pupil onlooker invigilator snoop listener-in auditors monitors eaves-dropper hearers radio listener heeder event handler concertgoer audiophile observer obeyer conclusion bystander bookworm beholder audient audience attendant annihilator amateur adviser conformer conformist monitor lister hearkener eavesdropper eavesdrop ear dictator destroyer crowd conservative