The term 'ASSET ON THE CORPORATE LADDER' can be summarized as a SENIORITY, which is a nine-letter word. SENIORITY is a concept in the workplace that refers to the length of time an employee has been with a company. It is often used to determine job titles, salary, and other benefits. SENIORITY is also used to determine who gets promoted and who gets laid off. In short, SENIORITY is an asset on the corporate ladder, as it can help employees move up the ranks and gain more job security.