| Prime |
| PRIME TIME |
| Golden age |
| Prime period |
| Golden years |
| Prime of life |
| Best of times |
| Golden" period |
| Prosperous time |
| The best of times |
| One's peak period |
| Time of prosperity |
| Period of one's prime |
| High point in a career |
| Period of greatest success |
| Period of greatest prosperity |
| Period of one's greatest success |
| Highest period in someone's career |
| Period of one's greatest productivity |
| The early 20th century, for vaudeville |