WordWeb Online

1. Enthusiastic approval
   "they gave him more éclat than he really deserved";
   - acclaim, acclamation, plaudits, plaudit
    
2. Ceremonial elegance and splendour
   "entered with much éclat in a coach drawn by eight white horses";
   - pomp
    
3. Brilliant or conspicuous success or effect
   "the éclat of a great achievement"

Derived forms: éclats

Type of: approval, brilliance, commendation, elegance, elegancy [archaic], grandeur, grandness, magnificence, splendor [US], splendour [Brit, Cdn]