agape, aghast, agog, all agog, amazed, arrested, astonished, astounded, at gaze, awed, awestruck, beguiled, bewildered, bewitched, bond, breathless, captivated, captive, caught, charmed, confounded, disenfranchised, dumbfounded, dumbstruck, enchanted, enraptured, enravished, enslaved, entranced, fascinated, fixed, flabbergasted, gaping, gauping, gazing, gripped, held, hypnotized, in awe, in awe of, in bondage, in bonds, in captivity, in chains, in slavery, in subjection, lost in wonder, marveling, mesmerized, open-eyed, openmouthed, oppressed, overwhelmed, popeyed, puzzled, rapt, rapt in wonder, spellbound, staggered, staring, stupefied, subjected, subjugated, suppressed, surprised, thunderstruck, under a charm, under the heel, under the lash, unfree, wide-eyed, wonder-struck, wondering

For further exploring for "enthralled" in Webster Dictionary Online