attentive

adjective
UK /əˈtentɪv/
US /əˈtentɪv/

Listening and watching carefully.

The attentive dog watched every move its owner made.


OTHER MEANINGS

2. Being kind and helpful to other people.

The attentive waiter refilled our glasses without being asked.

3. Paying close attention to what someone says or needs.

She was attentive to her grandmother's stories.

4. Showing careful thought or notice.

The nurse gave the patient attentive care all night.