Intently

Adverb

 * 1) In an intent or focused manner.

Thesaurus
absorbedly, advertently, ardently, assiduously, attentively, closely, continuously, determinedly, devotedly, devoutly, doggedly, eagerly, earnestly, engrossedly, fervently, fervidly, fixedly, heartily, heatedly, heedfully, impassionedly, intensely, interestedly, keenly, mindfully, observantly, passionately, perfervidly, preoccupiedly, raptly, regardfully, seriously, sharply, sincerely, steadfastly, steadily, studiously, unflinchingly, unremittingly, vehemently, with attention, with interest, with rapt attention, with undivided attention, without distraction, zealously