confound
con-found
verb
To utterly surprise or confuse someone, causing bewilderment or perplexity.
"The complex instructions confounded the new apprentice."
verb
To prove a theory, expectation, or prediction to be incorrect or false.
"The latest data confounded their initial hypothesis."
Thesaurus
Synonyms: confuse, befuddle, fox, fuddle, bedevil, throw, discombobulate