The term 'FREE OPENING' can be solved by the crossword solution SCOT, which is a four-letter word. SCOT is an acronym for 'Standard Conditions of Trading', which is a legal document that outlines the terms and conditions of a business transaction between two parties. This document is often used in the sale and purchase of goods and services, and it is important to ensure that both parties are aware of their rights and obligations under the agreement. The document is usually FREE to access and open to interpretation, hence the term 'FREE OPENING'.