attentive
adj.listening or watching very carefully. You use this to describe someone who pays close attention to your needs or to what is happening.
adj.paying close attention to something; alert and observant. Often describes a person who is mindful of the needs or comfort of others.
“The students are very attentive during the science lesson.”
“A good waiter is always attentive to the customers without being intrusive.”
“The nurse's attentive care during the first few hours after surgery was crucial to the patient's swift recovery and overall peace of mind.”
Often followed by the preposition 'to'.
Attentive typically takes the preposition 'to' when indicating the object of focus.
“Studies show that even being attentive to word choice can help ensure effective care for patients that avoids victim blaming.”
“A growing body of research suggests that keeping a watchful eye or attentive ear out for birds can help people from all walks of life feel more calm, present and refreshed.”
From Middle English attentif, attentijf, from Old French attentif.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.