With 46-Down, all square (4)
I believe the answer is:
even
(Other definitions for even that I've seen before include "Like half the numbers" , "(Of a number) divisible by 2" , "of consistent quality" , "Peaceful" , "Fair" .)
I believe the answer is:
even
(Other definitions for even that I've seen before include "Like half the numbers" , "(Of a number) divisible by 2" , "of consistent quality" , "Peaceful" , "Fair" .)