What is a synonym for attentive?

Here are some synonyms for attentive, depending on the specific nuance you want to convey:

General synonyms:

* Alert

* Mindful

* Observant

* Heedful

* Considerate

* Responsive

* Eager

* Interested

Synonyms emphasizing focus:

* Concentrated

* Engrossed

* Focused

* Intrigued

Synonyms emphasizing listening:

* Earshot

* Hearken

* Listening

Synonyms emphasizing care:

* Caring

* Solicitous

* Thoughtful

Synonyms emphasizing politeness:

* Courteous

* Polite

* Respectful

The best synonym for "attentive" will depend on the specific context.