Answer: evenest

AnswerCrossword Clue
evenestlikely as not fifty-fifty an even chance of winning
evenesting without break, indentation, or irregularity smooth
evenesting a mathematical function such that f(x) = f(-x) where the value remains unchanged if the sign of the independent variable is reversed
evenesting in the same plane or line
evenesting in equilibrium balanced
evenestndid
evenestact precise an even dollar
evenestowing neither profit nor loss
evenestEVEN, smooth and level
evenesthaving a horizontal surface flat even ground
evenestee from variation uniform his disposition was even
EVENESTMost fair
evenesting any of the integers (as -2, 0, and +2) that are divisible by two without leaving a remainder
EVENESTLeast bumpy
EVENESTSuperlatively smooth
EVENESTSteadiest.
EVENESTMost impartial.
EVENESTMost level.
EVENESTMost smooth.
EVENESTSmoothest.
EVENESTMost free of fluctuations
EVENESTLeast out-of-line