even the score

: having a horizontal surface : flat

: being without break, indentation, or irregularity : smooth

: being in the same plane or line

used as an intensive to stress an extreme or highly unlikely condition or instance

used as an intensive to stress the comparative degree

used as an intensive to indicate a small or minimum amount

: to make even

: to become even

: evening

: twenty

: a group of 20 things

: an indefinitely large number

: to keep a record or account of by or as if by notches on a tally : record

: to enter in a record

: to mark with significant lines or notches (as in keeping account)