In 1973 a group of Swedes held hostage in a vault during a bank robbery for six days grew attached to their captors.
1-to develop or have compassion or sympathy for one's abductor 2-to grow attached to or grow to like a person, place, or thing one was forced to put up with
Today it is used as psychological term to analyze mental patients who have been abused,tortured,kidnapped,etc. and many other situations