donnish
ˈdɒnɪʃ
adjective
resembling a college don, particularly because of having a pedantic, scholarly manner.
scholarly,studious,academic,scholastic,bookish,book-loving,intellectual,erudite,educated,learned,serious,earnest,thoughtful,cerebral,highbrow,pedantic,impractical,ivory-towerish,brainy,egghead,swotty,lettered,clerkly