Abracadabra

a mystical word or expression used in incantations, on amulets, etc., as a magical means of warding off misfortune, harm, or illness.

any charm or incantation using nonsensical or supposedly magical words.

meaningless talk; gibberish; nonsense.

noun

hocus-pocus , incantation , invocation , mumbo jumbo , open sesame , spell , double talk , gobbledygook , jabberwocky , jargon , magic , sorcery