All-clear signal
Permission and all-clear signal are semantically related. In some cases you can use "Permission" instead a noun phrase "All-clear signal".
Permission
Permission noun - The approval by someone in authority for the doing of something.
All-clear signal and permission are semantically related. You can use "All-clear signal" instead a noun "Permission".
Cite this Source
Permission and All-clear signal. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/all-clear_signal/permission
All-clear signal & Permission. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/all-clear_signal/permission>.
Permission or All-clear signal. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/all-clear_signal/permission.