Meaning : (often followed by `to') giving care or attention.
Example :
Attentive to details.
The nurse was attentive to her patient.
An attentive suitor.
Meaning : Taking heed. Giving close and thoughtful attention.
Example :
Heedful of the warnings.
So heedful a writer.
Heedful of what they were doing.
Synonyms : heedful, paying attention, thoughtful