attentive

adj

1. Paying attention; noticing, watching, listening, or attending closely.

   “She is an attentive listener, but does not like to talk much.”

   “King-of-the-Sky was sitting alone in the Leeward Village meeting-house, gesticulating to the attentive shades of night, roaring out the genealogy of his ancestors, telling the sleeping world of his greatness.”

2. Courteous; mindful.

   “a husband attentive to his wife’s needs”