What is one defining characteristic of someone who is easily hypnotized?

Frequent daydreaming, easily absorbed in a book or music

Explanation:

Hypnosis is a state which consists of a focused position along with a fixed peripheral attention. When a person is hypnotized, it is said that they enter into a calm and relaxed state where they can focus on what they want to think about. Also, there is no right way to feel when you are under hypnosis.

The defining characteristic of someone who is easily hypnotized is that are indulged in frequent daydreaming and are easily absorbed in a book or music.