There are a number of different ways to say "being in contact." Some possible synonyms might include: communicating, connecting, staying in touch, reaching out, keeping in contact, staying connected, remaining in communication, touching base, staying in the loop, and so on. Different synonyms might be more appropriate or more commonly used in certain contexts or situations. For example, "touching base" might be a more colloquial or informal way to describe a quick check-in, while "remaining in communication" might be more appropriate in a professional setting. Ultimately, the key is to choose the synonym that best fits the tone, context, and purpose of the communication.