WordNet (r) 3.0 (2006):
come back v 1: be restored; "Her old vigor returned" [syn: come back, return] 2: go back to something earlier; "This harks back to a previous remark of his" [syn: hark back, return, come back, recall] 3: even the score, in sports 4: answer back [syn: retort, come back, repay, return, riposte, rejoin]