1) Agreed with 2) Bounced back 3) Bounced off the walls 4) Called back 5) Came back 6) Came back a little later 7) Had lingering effects 8) Included elements of 9) Iterated 10) Made a comeback 11) Me-tooed 12) Mimicked 13) Parroted 14) Reiterated 15) Repeated 16) Repeated exactly 17) Repeated word for word 1) Aped 2) Iterated 3) Resonated 
• (imp. & p. p.) of Echo