Utterly bewilder or perplex (someone)."maladies that have mystified and alarmed researchers for over a decade"<span>synonyms:<span><span>bewilder, </span><span>puzzle, </span><span>perplex, </span><span>baffle, </span><span>confuse, </span><span>confound, </span><span>bemuse, </span><span>bedazzle, </span>throw</span></span>