Open English Wordnet
Adjectives
(s)bemused, lost, preoccupieddeeply absorbed in thought“as distant and bemused as a professor listening to the prattling of his freshman class”, “lost in thought”, “a preoccupied frown”
(s)baffled, befuddled, bemused, bewildered, confounded, confused, lost, mazed, mixed-up, at seaperplexed by many conflicting situations or statements; filled with bewilderment“obviously bemused by his questions”, “bewildered and confused”, “a cloudy and confounded philosopher”, “just a mixed-up kid”, “she felt lost on the first day of school”