response
noun
1.
a result
2.
a bodily process occurring due to the effect of some antecedent stimulus or agent
3.
a statement (either spoken or written) that is made to reply to a question or request or criticism or accusation
Derived from:
responsive 4.
the manner in which something is greeted
5.
a phrase recited or sung by the congregation following a versicle by the priest or minister
7.
the manner in which an electrical or mechanical device responds to an input signal or a range of input signals