hypnosis
noun
[ hɪpˈnəʊsɪs ]
• the induction of a state of consciousness in which a person apparently loses the power of voluntary action and is highly responsive to suggestion or direction. Its use in therapy, typically to recover suppressed memories or to allow modification of behaviour, has been revived but is still controversial.
Origin:
late 19th century: from Greek hupnos ‘sleep’ + -osis.
