To formally begin something in English is often expressed as "to commence" or "to start officially." Whether it's a meeting, an event, or a project, there are specific phrases and words that can be used to signify the official beginning.

For instance, at the start of a business meeting, one might say, "Let us now commence the meeting," or "We will officially begin our discussion." In academic settings, commencement speeches are given at graduation ceremonies to mark the official start of a new chapter in students' lives. The word "commencement" itself is derived from Latin, meaning "to begin" or "to start."

In the context of events, such as weddings or conferences, the phrase "We now officially begin this ceremony" or "Let the event officially commence" could be used. These expressions convey formality and set the tone for what is about to follow.

When starting a project, especially in professional environments, people often use phrases like "We will now launch the project" or "The project officially begins today." This emphasizes the structured and organized nature of the work ahead.

In summary, the act of beginning something formally in English can be conveyed through various expressions depending on the context. Whether it’s a simple gathering or a major milestone, these phrases help establish clarity and formality, setting the stage for success.