Hypnosis refers to a state or condition in which the subject becomes highly responsive to suggestions.  The Middle of 20th century will go down in history as the period during which Hypnotism emerged as a science. Earlier it had been some thing of mystical art and was not considered quite respectable. this attitude was not considered quite respectable. This attitude was the result of ignorance.

Yesterday they hypnotic power was regarded as a form of witchcraft. Today genuine hypnotism is a science like other physical sciences and is undoubtedly the most important, the most fruitful and far reaching method of experimental psychology.