Solid evidence is a term used to describe PROOF that is reliable and convincing. It is often used in legal proceedings to support a claim or argument. The crossword solutions for the term solid evidence are PROOF, which is a five-letter word. PROOF is a form of evidence that is used to demonstrate the truth or accuracy of a statement or claim. It is usually based on facts, observations, or logical reasoning. Solid evidence is considered to be more reliable than circumstantial evidence, as it is more direct and can be verified.