Answer: equalises

AnswerCrossword Clue
equalisesCorrect or modify (a signal, etc.) with an equalizer
equalisesEQUALISE, to make equal, also EQUALIZE
equalisesBecome equal to a specified or standard level
equalisesMake uniform in application or effect
equalisesCompensate for by means of an equalizer
equalisesMake the same in quantity, size, or degree throughout a place or group