noun: a very relaxed state in which you seem to be sleeping but can still react to someone else's suggestions
noun: the practice of putting people into a hypnotic state
noun: a state that resembles sleep but that is induced by suggestion
noun: a mental state where the outer ego mind or intellect is passive and the subconscious is accessible to suggestion.

See Also

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auto suggestion
Hypnotism
Mesmerism
Mind in Matter
Mind over Matter
Mind to Mind
Suggestion
Sympathy