1
general::
1. Live or act in accordance with; also, measure up to. For example, Children rarely live up to their parents' ideals, or This new technology has not lived up to our expectations. [Late 1600s] 2. Carry out, fulfill, as in She certainly lived up to her end of the bargain. [First half of 1800s]
American Heritage Idioms
2
general::
Phrase(s): live up to something
to fulfill expectations; to satisfy a goal or set of goals. (Often with one’s reputation, promise, word, standards, etc.) • I hope I can live up to my reputation. • The class lives up to its reputation of being exciting and interesting.
McGrawhill's American Idioms And Phrasal Verbs