"Terminationing" is a term used in the field of Human Resources to refer to the process of terminating an employee's employment contract. However, there are several other synonyms that can be used for this term, such as firing, dismissing, laying off, sacking, and letting go. Firing is often used when an employee is let go due to poor performance or misconduct. Dismissing is similar to firing but is often used when an employee has violated company policies. Laying off is used when an employee is let go due to financial issues or downsizing. Sacking is a more informal term used for firing. Letting go is often used when an employee is terminated due to restructuring or company changes.