Making Something Brighter, More Interesting, __ Up

This page is the CodyCross answer for the clue below from Peru, Group 1880, Puzzle 5 (Nazca Geoglyphs).

Question is: Making Something Brighter, More Interesting, __ Up

and the answer is: JAZZING

Word Meaning:

JAZZING — present participle and gerund of jazz

Definitions from Wiktionary.