feedback
noun
[ ˈfiːdbak ]
• information about reactions to a product, a person's performance of a task, etc. which is used as a basis for improvement.
• "throughout this process we have obtained valuable feedback"
Similar:
response,
reaction,
comment,
report,
estimation,
assessment,
critique,
criticism,
view,
opinion,
commentary,
observation,
interpretation,
study,
analysis,
evaluation,
judgement,
rating,
comeback,
note,
• a screeching or humming sound resulting from the return of a fraction of the output signal from an amplifier, microphone, or other device to the input of the same device.
• "Punk Rock Girl opens the disc with plenty of guitar feedback"
• the modification or control of a process or system by its results or effects, for example in a biochemical pathway or behavioural response.