Definitions of echo:

• noun:   the persistence of a sound after its source has stopped
• noun:   a reply that repeats what has just been said
• noun:   (Greek mythology) a nymph who was spurned by Narcissus and pined away until only her voice remained
• verb:   call to mind

  Example: "His words echoed John F. Kennedy"

• verb:   ring or echo with sound
• verb:   to say again or imitate

  Example: "Followers echoing the cries of their leaders"

• name:  A female given name (rare: 1 in 50000 females; popularity rank in the U.S.: #2995)