Attentive

Part of speech: adjective (a.)

1. Heedful; intent; observant; regarding with care or attention.

2. Heedful of the comfort of others; courteous.

Synonyms: Heedful; intent; observant; mindful; regardful; circumspect; watchful. At*ten"tive*ly, adv. At*ten"tive*ness, n.