The term "ostracizes" means to exclude someone from social acceptance or to cast them out of a group. There are various synonyms for this term that can help to express this meaning in different ways. For instance, the words "banish," "exile," "shun," "marginalize," and "ostracism" can all be used to describe the act of ostracizing someone. Other synonyms for ostracize include "blacklisting," "isolating," "boycotting," and "rejecting." Each of these words has a slightly different connotation, but they all imply the idea of someone being excluded or rejected by a group or society.