Baptism of Fire is a term used to describe an intense and difficult experience, often involving a trial or ORDEAL. It is derived from the Christian sacrament of baptism, which symbolizes purification and rebirth. In this context, the term 'Baptism of Fire' refers to a person's initiation into a new situation or life-altering experience. The crossword solution for this term is 'ORDEAL, ' which is defined as a difficult or unpleasant experience that tests a person's endurance or courage.