Literary Adverb Meaning in a Soft Flickering Way

This page is the CodyCross answer for the clue below from Daily Routines, Group 1844, Puzzle 2 (Take Vitamins).

Question is: Literary Adverb Meaning in a Soft Flickering Way

and the answer is: LAMBENTLY

Word Meaning:

LAMBENTLY — In a lambent manner, brightly.

Definitions from Wiktionary.