Mesmerising is a term derived from the name of the 18th century Austrian physician Franz Anton Mesmer, who developed a form of alternative medicine known as mesmerism. It is related to hypnosis and involves the use of suggestion to induce a state of deep relaxation in the patient. The term mesmerising can be used to describe the act of HYPNOTISING someone, as well as the effects of the HYPNOTIC state itself. HYPNOTISING is an 11-letter word for mesmerising, while HYPNOTIC is an 8-letter word for the same term.