Contemporaneous
I admit and apologize for, the fact that this word is out of order in the game. 
However, I learned this word today, and was fascinated, and therefore, I thought perhaps someone else here, might like to learn it, also.  Or knows it, and might enjoy being reminded of it, 
though I am not sure than any of us will use it in chatting with family or friends.  
So, it means, occurring in the same time period.
Example that was given:
Pythagoras was contemporaneous with Buddha.
Wow, that fact fascinated me as well!
I had forgotten that Pythagoras ever existed. A mathematician, right? 
Okay, we can all go back to the game, now. 

K / L