"T'ien-ching" is a Chinese word, which literally translates to "heaven's well." It is a term used to refer to a person who is highly esteemed, respected, and influential. There are several synonyms for this word, which include "sage," "wise person," "authority figure," "mentor," "guide," "oracle," and "prophet." All these words describe a person who has a deep understanding of human nature, possesses a wealth of knowledge and experience, and is revered for their wisdom and insight. Whether you're seeking spiritual guidance or seeking advice on a specific matter, a t'ien-ching is someone to turn to for insight and clarity.