Ancient astrologers were revered for their knowledge of the cosmic realm and were looked upon as the ultimate authorities on matters of the universe. They were considered the wise men and women of their time, who used their expertise to provide guidance and predictions based on celestial observations. Some synonyms that can be used to describe these revered individuals are "star-gazers," "cosmic seers," "celestial sages," and "astrological pioneers." These descriptive labels evoke a sense of awe and respect for the ancient astrologers, who through their observations and interpretations, helped shape our understanding of our place in the universe.