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1. A time period when some activity or skill was at its peak
   "it was the golden age of cinema"
    
2. Any period (sometimes imaginary) of great peace and prosperity and happiness

1. (classical mythology) the first and best age of the world, a time of ideal happiness, prosperity, and innocence; by extension, any flourishing and outstanding period

Derived forms: golden ages

Type of: age, bloom, blossom, efflorescence, flower, flush, heyday, historic period, peak, period, period of time, prime, time period

Encyclopedia: Golden age