1) Aligned 2) Brought into balance 3) Equalized 4) Flattened 5) Flush, now 6) Got the bumps out 7) Ironed 8) Knotted in sports 9) Level 10) Leveled 11) Leveled off 12) Levelled 13) Made equal 14) Made flat 15) Made flush 16) Made level 17) Made smooth 18) Made smooth or uniform 19) Made square 20) Made uniform Found on https://www.crosswordclues.com/clue/evened