Answer: dropsthesubject

AnswerCrossword Clue
DROPSTHESUBJECTEnds a discussion
DROPSTHESUBJECTMoves on, in a way
DROPSTHESUBJECTDecides not to pursue a topic.
DROPSTHESUBJECTStops talking
DROPSTHESUBJECTChanges course, in a conversation