The crossword solution for the term SUFFIX WITH 'STEWARD' is ESS, which stands for 'Estate Steward'. An Estate Steward is a person who is responsible for managing the financial and administrative affairs of a large estate. They are responsible for overseeing the day-to-day operations of the estate, including the maintenance of buildings, grounds, and other assets. They also manage the staff, handle legal matters, and ensure that the estate is in compliance with all applicable laws and regulations.