Answer: desensitizes

AnswerCrossword Clue
desensitizesMake less sensitive
desensitizesFree (someone) from a phobia or neurosis by gradually exposing the person to the thing that is feared
desensitizesMake (someone) less likely to feel shock or distress at scenes of cruelty, violence, or suffering by overexposure to such images
desensitizesDESENSITIZE, to make insensitive