Eclat n. : Brilliancy of success or effort; splendor; brilliant show; striking effect; glory; renown.

Eclat n. : Demonstration of admiration and approbation; applause.

Example:
What are the best under eye concealer you tried so far? Is YSL Touche Eclat really that good?

Taxonomy
éclat, Merriam-Webster Online Dictionary, Dictionary, webster, Word Games, Webster Online Dictionary with audio pronunciations, thesaurus, Google Search, Custom Search, glossary, english, language, ESL, Search, Etymology, splinter, burst, brilliant.

Defination from the web:
éclat from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... Etymology: French, splinter, burst, éclat. Date: 1672. 1 : ostentatious display : publicity. 2 : dazzling effect : brilliance ...