A Dogmatic Decree is a statement or order issued by an authority figure that is absolute and unquestioned. The two crossword solutions for this term are 'FIAT' (4 letters) and 'DIKTAT' (6 letters). FIAT is a Latin word meaning 'let it be done' and is used to refer to a decree or order issued by an authoritative figure. DIKTAT is a German word meaning 'dictated law' and is also used to refer to a decree or order issued by an authoritative figure.