live up

verb2

1. •
   To fulfil the expectations placed upon one.

   • She never lived up to her reputation.
   • The holidays didn't live up to the advertiser's claims.
2. •
   (no longer used) To spend money on one's lifestyle to the exact limit of a specific budget or revenue, leaving nothing for savings.

   • 'But it is not to be imagined that she lives up to her income. Few people of common prudence will do that; and whatever she saves, she will be able to dispose of.' — 1811