The crossword solution for the term 'SAY 'NOT GUILTY'' is 'PLEAD'. To PLEAD not guilty is to formally declare in a court of law that one is innocent of the charges brought against them. This is done by entering a plea of not guilty when asked by the judge. It is important to note that pleading not guilty does not necessarily mean that one will be found innocent, but rather that they are asserting their right to a trial.