Equable
Equable (?; 277) , adjective
[Latin aequabilis, from aequare to make level or equal, from aequus even, equal. See Equal.]
1.
Equal and uniform; continuing the same at different times; -- said of motion, and the like; uniform in surface; smooth; as, an equable plain or globe.
2.
Uniform in action or intensity; not variable or changing; -- said of the feelings or temper.