Synonyms for Echo (same or very similar meaning)
WordNet sense 1 (the persistence of a sound after its source has stopped):
replication, reverberation, sound reflectionWordNet sense 2 (call to mind):
recall, recallWordNet sense 3 (ring or echo with sound):
resound, reverberate, ring, resoundWordNet sense 4 (to say again or imitate):
repeatFrom the ODE community, based on WordNetadd/edit