feed back

(noun) the process in which part of the output of a system is returned to its input in order to regulate its further output. Synonyms: feedback.

(noun) response to an inquiry or experiment. Synonyms: feedback.

(verb) submit (information) again to a program or automatic system. Synonyms: feed back, resubmit.

(verb) respond to a query or outcome. Synonyms: feed back.