Words for Ages

"Octogenarian" is used to describe the age of someone who is 80 years old. Are there words for other ages? For instance, I just turned 50 -- what would I be called (besides "old" or "almost old" -- grin)?

Bob Allen

Senior citizens:
Sexagenarian
Septuagenarian
Octogenarian
Nonagenarian
Centenarian
Supercentenarian
I haven't found one for fifty.

I got 53 hits on Google for "pentagenarian".

I am over 50. I prefer the word "crone." It has a nice honest ring to it. Or "elder" or just plain "old." I hate the term "senior citizen."

And how about "silverback"?

How about the PC "chronologically advanced?"