The term 'Good Word' can be solved in a crossword puzzle with the answers 'PLUG' (4 letters) and 'RECOMMENDATION' (14 letters). A PLUG is a promotional statement or endorsement of a product, service, or idea. A RECOMMENDATION is an endorsement of something, usually given by someone who has experience with it. Both plugs and recommendations are forms of positive word-of-mouth advertising, which can be very effective in promoting a good word about something.