General confusion:
* Bewilder: This implies a state of being puzzled or perplexed.
* Disorient: This implies a loss of sense of direction or understanding.
* Mystify: This suggests a feeling of being baffled or puzzled.
* Perplex: This implies a state of being confused or uncertain.
Confusion caused by specific actions:
* Misunderstand: This implies a failure to grasp the meaning of something.
* Misinterpret: This implies a wrong understanding of something.
* Misread: This implies a misinterpretation of written or visual information.
* Confuse: This is a general term for causing confusion.
The best verb to use will depend on the specific context and the nuance you want to convey.