Definition: mistake one thing for another
Usage: you are confusing me with the other candidate; I mistook her for the secretary
Main entry: throw, bedevil, befuddle, discombobulate, confound, confuse, fox, fuddle
Definition: be confusing or perplexing to; cause to be unable to think clearly
Usage: These questions confuse even the experts; This question completely threw me; This question befuddled even the teacher