Main entry: attentive
Definition: (often followed by `to') giving care or attention
Usage: attentive to details; the nurse was attentive to her patient; an attentive suitor
Main entry: heedful, attentive, paying attention, thoughtful
Definition: taking heed; giving close and thoughtful attention
Usage: heedful of the warnings; so heedful a writer; heedful of what they were doing