WordNet sense 1 (perplexed by many conflicting situations or statements; filled with bewilderment):

baffled, bemused, bewildered, confounded, lost, mixed-up, mazed, at sea

WordNet sense 2 (full or difficulty or confusion or bewilderment):

perplexed

WordNet sense 3 (having lost your bearings; confused as to time or place or personal identity):

disoriented

WordNet sense 4 (not having position or goal definitely set or ascertained):

unoriented

WordNet sense 5 (thrown into a state of disarray or confusion):

broken, disordered, upset, upset

WordNet sense 6 (lacking order or methodical arrangement or function):

disorganized, disorganised

WordNet sense 7 (lacking orderly continuity):

disconnected, disjointed, garbled, illogical, scattered, unconnected

WordNet sense 8 (in a state of mental numbness especially as resulting from shock):

dazed

WordNet sense 9 (stupefied by alcoholic drink):

befogged, befuddled

WordNet sense 10 (confused and vague; used especially of thinking):

muddled, woolly, wooly, addled, muzzy, woolly-headed, wooly-minded

WordNet sense 11 (stupid and confused; used especially of persons):

muddleheaded