1) Caused to clam up 2) Hushed 3) Issued a gag order on 4) Quieted 5) Reduced to silence 6) Shut up 7) Subjected to a gag order 8) Suppressed Found on https://www.crosswordclues.com/clue/silenced
silence, silencing, silenced 1. The condition or quality of being or keeping still and silent. 2. The absence of sound; a period of time without speech or noise. 3. Refusal or failure to speak out. 4. The absence or omission of mention, comment, or expressed concern. 5. Concealment; secrecy. 6. To keep from expression, for example by threats o... Found on http://www.wordinfo.info/words/index/info/view_unit/2944/