The antonyms for the term "de-forming" are shaping, forming, molding, and defining. These words are used to suggest the creation or development of something, rather than its destruction or alteration. Shaping refers to the process of giving a particular form to something, while forming and molding are similar concepts that involve the creation of a specific shape or structure. The word defining suggests the process of clearly establishing or identifying the essential characteristics of something. Overall, these antonyms provide a positive outlook towards the concept of creating or shaping something new, rather than breaking down what already exists.