WordNet sense 1 (cause to feel embarrassment):

disconcert, flurry, put off

WordNet sense 2 (assemble without order or sense):

jumble

WordNet sense 3 (be confusing or perplexing to; cause to be unable to think clearly):

bedevil, befuddle, confound, discombobulate, fox, fuddle, throw, confound

WordNet sense 4 (make unclear, indistinct, or blurred):

blur, obscure, obnubilate