Affiliate with is a term that describes a relationship between two parties who connect with each other for a shared goal or purpose. It means to associate or partner with someone or a group. Synonyms for affiliate with include collaborate, team up, join forces, align, unite, cooperate, form an alliance, amalgamate, and merge. These words all carry a sense of cooperation and working together towards a common aim. Whether in business or personal relationships, finding the right people to affiliate with can be key to success. To affiliate with someone or a group means to work together to accomplish mutual goals, and these synonyms provide a diverse range of ways to express that commitment to collaboration.