absorbed, absorbed in, attached to, buried in, caught up in, contemplating, contemplative, crazy about, devoted, devoted to, enamored of, engaged, engrossed, engrossed in, enmeshed in, entangled in, far-gone, far gone on, fond of, gone on, hipped on, immersed in, implicated in, in love with, intent, intent on, involved, involved in, lost in, mad about, meditating, meditative, monomaniacal, monopolized, nuts about, obsessed, occupied, partial to, preoccupied, single-minded, smitten with, struck with, stuck on, studious, studying, submerged in, sweet on, swept up, taken up with, taken with, tied up in, totally absorbed, wedded to, wild about, wrapped in