From Longman Business Dictionary
evene·ven /ˈiːvən/ adjectiveadj1staying at the same level, rather than frequently changing from one level to the otherStrong trade will encourage more even selling.
2giving two sides, things, ideas etc equal or fair treatmentWe should try to create a more even balance between work and recreation.
3even tens/hundreds/thousands in whole numbers, to the nearest ten, hundred etc