Renovate, Upgrade
This page is the CodyCross answer for the clue below from Under the sea, Group 33, Puzzle 4.
Question is: Renovate, Upgrade
and the answer is: REFURBISH
Word Meaning:
REFURBISH — (transitive) To rebuild or replenish with all new material; to restore to original (or better) working order and appearance.
Definitions from Wiktionary.