"Holy wedlock" is a term often used to refer to the sacrament of marriage in religious contexts. However, there are several other synonyms that can be used to describe this sacred union. Some of these include "matrimony," "nuptials," "wedding vows," "union of two souls," "marital bond," "conjugal relations," "spousal commitment," "betrothal," "bridal ceremony," and "holy matrimony." These synonyms carry different connotations and nuances, and can be used interchangeably depending on the context. Regardless of the terminology used, marriage is a beautiful and sacred institution that embodies love, commitment, and loyalty between two people.