intently
adverb
[ ɪnˈtɛntli ]
• with earnest and eager attention.
• "he gazed at her intently"
Similar:
attentively,
closely,
keenly,
with fascination,
raptly,
earnestly,
concentratedly,
hard,
studiously,
fixedly,
steadily,
steadfastly,
alertly,
watchfully,
observantly,
carefully,