heedful Synonyms

advertent careful thoughtful attentive vigilant wakeful solicitous sleepless wary scrupulous ruminant regardful punctual prudent present open-eyed observing watchful wide-awake unadventurous on your guard unsleeping unperplexed overprotective on the lookout on guard on the ball all ears cagey leery beady-eyed on the qui vive sharp-eyed paying attention observant noticing noncommittal conscientious concerned concentrating cognizant circumspective circumspect chary cautious cautelous canny aware awake arrect