Source : Webster's Revised Unabridged Dictionary (1913)

Evenly \E"ven*ly\, adv.
   With an even, level, or smooth surface; without roughness,
   elevations, or depression; uniformly; equally; comfortably;
   impartially; serenely.

Source : WordNet®

evenly
     adv 1: in equal amounts or shares; in a balanced or impartial way;
            "a class evenly divided between girls and boys"; "they
            split their winnings equally"; "deal equally with rich
            and poor" [syn: {equally}] [ant: {unevenly}, {unevenly}]
     2: in a level and regular way [ant: {unevenly}]