Formally deciding is a process that involves making a decision based on a set of rules. The term can be broken down into three crossword solutions: RULE (4 letters), RULEON (6 letters), and BRINGINAVERDICT (15 letters). RULE refers to the set of guidelines or regulations that must be followed when making a decision. RULEON is the act of enforcing the rules, while BRINGINAVERDICT is the act of formally deciding based on the rules.