The term 'AGE GOLDEN' can be broken down into two crossword solutions: ERA (3 letters) and HEYDAY (6 letters). ERA is a period of time in history, usually lasting several hundred years. It is often used to refer to a period of great achievement or prosperity. HEYDAY is a period of time when someone or something is at the peak of their success or popularity. It is often used to refer to a period of great happiness or joy. Together, AGE GOLDEN can be used to refer to a period of great prosperity and joy.