inquiry
noun | \ ˈin-ˌkwīr-ē, in-ˈkwīr-ē; ˈin-kwə-rē, ˈiŋ- \ | in·qui·ry
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: a request for information such doubt as would cause a reasonable person to make an inquiry
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: a systematic official investigation often of a matter of public interest especially by a body (as a legislative committee) with power to compel testimony