NOTE: This article was significantly updated on 29 March 2016 to include a more expansive list of hypnotic power words since its original publication in October 2014. When it comes to hypnosis, one tool is more powerful than all the others put together. You might even say that, without it, hypnosis would be impossible. And that tool is: words. Sounds simple, doesn't it? To be a hypnotist, you just need to be able to use words, team of experts from 7Bit say. Anyone can do that. So why isn't everyone able to hypnotize everybody else? Because they aren't just any old words.