The antonyms for "plowing into" would be more gentle and peaceful actions. Some antonyms could include approaching slowly, cautiously, or carefully. Additionally, instead of plowing into something, one could ease into it, or gently glide across it. Other antonyms to consider might be avoiding or circumventing altogether, rather than confronting or "plowing into" a situation. When discussing travel or navigation, antonyms might include meandering, wandering or taking a leisurely route, rather than forcefully "plowing into" one's destination. Regardless of context, antonyms for "plowing into" are often characterized by a slow, deliberate and peaceful approach.