Mystify (verb)

1. To make something difficult to understand or explain.
2. To bewilder or perplex someone.

Origin:

From latin mystificare, from greek mystifikos, from mystēs "initiate", from myein "to close the eyes or mouth, initiate into secret rites".

Examples:

1. The magician mystified the audience with his illusions.
2. The professor's explanations mystified the students.
3. The political situation was so complex that it mystified the experts.
4. His behavior mystified his friends.
5. The ancient script mystified the scholars.