Traditional action refers to actions that are familiar and have been done the same way for a long time. Synonyms for traditional action include conventional behavior, customary practice, established pattern, regular routine, and standard procedure. These words all convey the idea that the action is expected and well-known. Other synonyms for traditional action could include habitual practice, time-honored tradition, or tried-and-true approach. Depending on the context and the action being described, different synonyms may be more appropriate. However, all of these words suggest a level of predictability and adherence to established norms and expectations.