Webster's Revised Unabridged Dictionary · 1913

Evenness

Evenness , noun

The state of being ven, level, or disturbed; smoothness; horizontal position; uniformity; impartiality; calmness; equanimity; appropriate place or level; as, evenness of surface, of a fluid at rest, of motion, of dealings, of temper, of condition.
It had need be something extraordinary, that must warrant an ordinary person to rise higher than his own evenness. — Jer. Taylor