echo

nouns

the repetition of a sound resulting from reflection of the sound waves
"she could hear echoes of her own footsteps"
echo, replication, reverberation, sound reflection
a reply that repeats what has just been said
echo
is a type of (narrower)
the speech act of continuing a conversational exchange
"he growled his reply"
reply, response
a reflected television or radio or radar beam
echo
domain category
the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices
electronics
is a type of (narrower)
the ability to reflect beams or rays
reflection, reflectivity, reflexion
a close parallel of a feeling, idea, style, etc.
"his contention contains more than an echo of Rousseau"; "Napoleon III was an echo of the mighty Emperor but an infinitely better man"
echo
is a type of (narrower)
something having the property of being analogous to something else
analog, analogue, parallel
an imitation or repetition
"the flower arrangement was created as an echo of a client's still life"
echo
is a type of (narrower)
copying (or trying to copy) the actions of someone else
imitation

verbs

to say again or imitate
"followers echoing the cries of their leaders"
echo, repeat
ring or echo with sound
"the hall resounded with laughter"
echo, resound, reverberate, ring
call to mind
"His words echoed John F. Kennedy"
echo, recall