Provable is a term used to refer to something that can be verified with evidence or facts. Some synonyms for provable include verifiable, demonstrable, confirmable, and ascertainable. Other similar terms include testable, observable, measurable, and quantifiable. These words are often used in science and mathematics to refer to concepts that can be proven through experimentation or calculation. In legal terms, provable may be replaced with substantiated, evidenced, or supported. The use of synonyms for provable adds variety and clarity to communication, helping to convey a more precise message.