Chassid is a term used to refer to a member of a Jewish mystic movement. However, there are several other synonyms that can be used to describe this person. Some of these include "hasid," "chasidic," "hasidic," and "chasidish." The word "Hasidic" is used to describe the practices and beliefs of this movement. This term is also used to describe a person who follows Hasidic traditions. "Chasidic" and "hasidic" are words that can also be used interchangeably with "chassid." Lastly, the word "chasidish" is used to describe someone who follows Chassidic traditions and beliefs. Overall, these synonyms can be used to help describe the complex and unique traditions of the Chassidic movement.