heyday

n. prime, time of greatest success or popularity, period of greatest power or influence

Heyday was a horse that competed in the sport of eventing, ridden by American Bruce Davidson. He was one of the Top Ten All American High Point Horses of the Century in eventing.Born: 1987Color: Bay    Markings: Star, off fore sockHeight: 16.0 hh (163cm)Sex: GeldingBreed: ThoroughbredBreeding: by Babamist, out of More MischiefOwner: Dr. Elinor JennyRiders: Bruce Davidson, Maisy GrassieHeyday was very successful at a young age, competing at the advanced level at the age 6. He went on to represent the United States at the Atlanta Olympics in 1996, earning the team silver medal, won the 1995 Pan American Games, came second at the Blenheim Horse Trials in 1997, and won team bronze at the World Championships in Rome. However, Heyday was notorious for his inconsistent show jumping rounds.
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Noun
1. the period of greatest prosperity or productivity
(synonym) flower, prime, peak, bloom, blossom, efflorescence, flush
(hypernym) time period, period of time, period
(hyponym) golden age

(n.)
The time of triumph and exultation; hence, joy, high spirits, frolicsomeness; wildness.
  

(interj.)
An expression of frolic and exultation, and sometimes of wonder.
  

best years, in your prime In his heyday, Pele was the best soccer player in the world.