"Held end" can be replaced with a number of different synonyms depending on the context and the intended meaning. One common synonym is "grasped end," which refers to the end of an object that is being held or grasped by the hand or another part of the body. Another possible synonym is "secured end," which suggests that the end of an object is being held or secured in place in some way. Other synonyms for "held end" might include "clutched end," "gripped end," or "clasped end," all of which suggest a firm and secure hold on one end of an object.