What is another word for material witness?
Pronunciation: [mətˈi͡əɹɪə͡l wˈɪtnəs] (IPA) 
A material witness is a key figure in any legal case, providing valuable information that can help determine guilt or innocence. Some synonyms for the term "material witness" include key witness, critical witness, essential witness, and primary witness. These phrases all highlight the importance of the witness and their testimony. Other synonyms can include significant witness, crucial witness, or indispensable witness. In any case, the testimony of a material witness can make all the difference in the outcome of a case, which is why they are so highly valued in legal proceedings.
