Synonyms and related words :
accused, answerer, answering, antiphonal, confutative, correspondent, defendant, echoic, echoing, libelee, prisoner, reacting, reactionary, reactive, reechoing, reflex, reflexive, refluent, refutative, rejoining, replier, replying, responder, responding, responser, responsive, retroactionary, retroactive, returning, revulsive, suspect