"Be that as may" is a phrase that is commonly used to indicate that the speaker acknowledges a point being made, but perhaps disagrees or wishes to steer the conversation back to the original topic. Some similar phrases that could be used include "nevertheless," "however," "even so," "regardless," "still," and "yet". These phrases all convey a sense of acknowledging a point, but also indicate a contrasting opinion or desire to move on. Knowing synonyms for commonly used phrases can help expand one's vocabulary and make communication more precise and effective.