Respond

verb (used without object)
1.
to reply or answer in words:
to respond briefly to a question.
2.
to make a return by some action as if in answer:
to respond generously to a charity drive.
3.
to react favorably.
4.
Physiology. to exhibit some action or effect as if in answer; react:
Nerves respond to a stimulus.
5.
to correspond (usually followed by to).
6.
Bridge. to make a response.
verb (used with object)
7.
to say in answer; reply.
noun
8.
Architecture. a half pier, pilaster, or the like projecting from a wall as a support for a lintel or an arch, the other side of which is supported on a free-standing pier or column.
9.
Ecclesiastical.

a short anthem chanted at intervals during the reading of a lection.
responsory.
response.

verb
1.
to state or utter (something) in reply
2.
(intransitive) to act in reply; react: to respond by issuing an invitation
3.
(intransitive) foll by to. to react favourably: this patient will respond to treatment
4.
an archaic word for correspond
noun
5.
(architect) a pilaster or an engaged column that supports an arch or a lintel
6.
(Christianity) a choral anthem chanted in response to a lesson read at a church service