The words Vrihat, Brahma, and Mahat all carry the same significance. The celestial priest, O king, came to be called Brihaspati because he was gifted with all these accomplishments.
बृहद् ब्रह्म महच्चेति शब्दाः पर्यायवाचकाः। एभिः समन्वितो राजन् गुणैर्विद्वान् बृहस्पतिः॥