Stay in Pace With Someone, Don't Lag Behind

This page is the CodyCross answer for the clue below from Working From Home, Group 1234, Puzzle 3 (Interruptions).

Question is: Stay in Pace With Someone, Don't Lag Behind

and the answer is: KEEPUP

Word Meaning:

KEEP UP — (transitive) To maintain; to preserve; to prevent from deteriorating or falling.

Definitions from Wiktionary.