well–in·formed 
/ˌwɛlɪnˈfoɚmd/ adjective
/ˌwɛlɪnˈfoɚmd/ adjective [more well–informed; most well–informed] 1 : having a lot of knowledge about current topics, a particular situation, etc.
▪ a well-informed doctor ▪ They kept me well-informed about her condition. 2 : based on facts
▪ a well-informed decision/opinion — opposite ill-informed
▪ a well-informed doctor ▪ They kept me well-informed about her condition.
▪ a well-informed decision/opinion — opposite ill-informed
