regardful Synonyms

heedful deferent deferential observant mindful attentive loyal keen noticing interested observative observing intentive intent open-eyed prepared prudent all ears sharp-eyed watchful wary vigilant thoughtful solicitous sharp scrupulous reverential respectful rapt overprotective immersed hearkening cognizant circumspect chary cautious careful aware awake arrect argus-eyed alert advertent concentrating conscientious hawk-eyed guarded focused engrossed earnest