When it comes to celebrating a marriage, there are various synonyms that can be used to convey the joy and excitement of the occasion. Some of these synonyms include tying the knot, getting hitched, saying "I do", uniting in matrimony, joining in holy matrimony, exchanging vows, and taking the plunge. Each of these phrases has a slightly different connotation and can be used interchangeably depending on the context and tone of the message. Regardless of which synonym is chosen, the sentiment is clear: celebrating a marriage is a joyous and momentous occasion that deserves recognition and commemoration.