There are several synonyms that can be used instead of the phrase "is reduced." Some of these include "is diminished," "is lowered," "is restrained," "is curtailed," "is limited," and "is cut back." All of these synonyms convey a similar meaning to "is reduced" and can be used interchangeably depending on the context of the sentence. For instance, instead of saying "the price of the product is reduced," one can say "the cost of the product is lowered." Similarly, instead of "the number of employees is reduced," one can say "the size of the workforce is diminished." Using synonyms can help make the language more varied and interesting.