The phrase "gets hold of oneself" refers to regaining control over one's emotions or actions after a period of losing composure. There are several synonyms for this phrase, including "collects oneself," "composes oneself," "pulls oneself together," "controls oneself," and "restrains oneself." Each of these words conveys the idea of taking charge of one's feelings and reactions in a challenging situation. Whether you use "gets hold of oneself" or one of its synonyms, the message is clear: in order to cope with adversity, it is essential to maintain self-control and discipline.