modified
Lying in a smooth plane
flat, smooth, level, flush; see flat 1, level 2, smooth 1.
Regular
uniform, constant, steady, homogeneous; see constant 1, regular 3.
Equal
balanced, equivalent, square; see alike 1, 2, equal.
In addition
still, yet, also, too, as well, still more, moreover, in spite of, despite, notwithstanding, likewise, indeed, but also. See syn. study at level, steady.level, steady.
break even
make nothing, tie, neither win nor lose; see equal, tie 3.