Definition: familiar because of attentive study or close association; skilled; experienced

• Be versed in ancient lore, and familiarize yourself with the modern; then may you become teachers. — Confucius [born Kǒng Qiū] (c.551-479 BC) Chinese ethical philosopher
• What is the Tao Te Ching? Five hundred years before the birth of Jesus, a God-realized being named Lao-tse in ancient China dictated 81 verses which are regarded by many as the ultimate commentary on the nature of existence. — Wayne Walter Dyer (1940-2015) American self-help author