Bemuse is a very very simple word. Have you heard it before?
It means to bewilder or simply put, to confuse someone.
Several words are similar in meaning to bemuse. A few of them are: puzzle, perplex, baffle, mystify, dumbfound, daze, lost, stun.
Here are two examples of this word in sentences
After listening to the confusing lecture, the college girl was bemused.
When reading, the librarian usually wore a bemused expression on her face.