responsive
US /rɪˈspɑːn.sɪv/
UK /rɪˈspɑːn.sɪv/

1.
reacting quickly and positively
:
•
The company is very responsive to customer feedback.
•
The car's steering is very responsive.
2.
answering or replying
:
•
He was not very responsive to my questions.
•
The audience was very responsive to the speaker.