Embarking on a new adventure can be an exciting, yet daunting task. To express this idea, one may consider using alternative phrases to "venture into". Synonyms such as "explore", "undertake", "initiate", "dive into", "plunge into", and "take the leap" can all convey a sense of risk-taking and enthusiasm in pursuing something new. On the other hand, "step into", "engage in", or "enter into" can indicate a more deliberate and intentional approach to starting a new venture. Ultimately, when selecting a synonym for "venture into", consider the tone and context of the text, and choose a phrase that effectively conveys the desired message.