There are several synonyms for the word "pertaining to hypnosis". Some of the most commonly used synonyms include hypnotic, mesmerizing, trance-like, and hypnotizing. These words help to describe the state of mind that individuals experience while they are under the influence of hypnosis. Other synonyms that could be used include suggestive, persuasive, and suggestive of hypnosis, as they all describe the way that hypnosis works on the human mind. Whatever synonym is chosen, all of them help to convey a sense of mysteriousness and intrigue, which are often associated with the practice of hypnosis.