The phrase "living up to" carries connotations of meeting expectations and fulfilling obligations, but there are many synonyms to express this sentiment. Alternatives might include "fulfilling," "adhering to," "complying with," "meeting," "achieving," "performing," "upholding," "matching," "surpassing," and "exceeding." Each of these words emphasizes a different aspect of meeting expectations or keeping promises. By choosing the right synonym for your context, you can give your language added nuance and precision. Whether you are describing personal relationships or professional requirements, there is a synonym out there to help you express the ideas that matter to you.