<span class="searchmatch">tranquillisèrent</span> third-person plural past historic of tranquilliser...
tranquillisâmes /tʁɑ̃.ki.li.zam/ tranquillisâtes /tʁɑ̃.ki.li.zat/ <span class="searchmatch">tranquillisèrent</span> /tʁɑ̃.ki.li.zɛʁ/ future tranquilliserai /tʁɑ̃.ki.liz.ʁe/ tranquilliseras...