The term PART OF ABS can be solved in two ways: SYSTEM (6 letters) and SYST (4 letters). SYSTEM stands for 'Systems, Training, Education, and Management, ' which is a set of standards developed by the American Bureau of Shipping (ABS) to ensure the safety of ships and their crews. SYST stands for 'Systems and Procedures, ' which are the processes and procedures that ABS requires its members to follow in order to maintain their certification.