"Go into partnership" is a phrase that refers to joining forces with another person or company to form a business venture. To express this concept, there are multiple synonyms available to choose from. For instance, some alternatives include team up, collaborate, ally, merge, join forces, ally with, or link up. Each of these words conveys the idea of two or more people or businesses coming together to achieve a common goal. Choosing the right synonym may depend on the tone or purpose of the sentence in which it is used. Selecting the appropriate term will ensure that your message is conveyed accurately and effectively.