The phrase "in process" can be used to describe something that is currently being worked on or developed. There are several synonyms that can be used to convey the same meaning, such as "in progress," "underway," "ongoing," "being done," "in the works," and "in production." Other options include "being developed," "moving forward," "advancing," and "proceeding." These synonyms can be used in a variety of contexts, such as when describing a project or task, a construction project, or the stages of a manufacturing process. Using different synonyms can help vary the language used in communication, making it easier to convey ideas and information.