When it comes to fulfilling one's responsibilities and obligations, we use the phrase 'respond to the call of duty.' There are various synonyms that can be used in place of this phrase. These include stepping up to the plate, rising to the occasion, fulfilling one's duty, answering the call, taking responsibility, showing up, meeting the challenge, rising to the challenge, carrying one's weight, and being accountable. All of these terms signify the act of fulfilling one's responsibility, be it in personal or professional life. Being responsible and reliable is an essential trait, and using these synonyms adds variety and depth to your vocabulary.