There are numerous ways to say "rise to the occasion," depending on the context and the desired tone. Some possible synonyms include: step up, come through, excel, perform admirably, meet the challenge, surpass expectations, show one's mettle, demonstrate one's abilities, rise to the challenge, and be equal to the task. Other related phrases or idioms might include: give it one's best shot, go the extra mile, rise above, put one's shoulder to the wheel, make the most of an opportunity, seize the moment, or take charge. Choosing the right synonym or idiom can add nuance and emphasis to a message, and convey the speaker's confidence, enthusiasm, and determination.