Definition: 'Theoretical' is a noun or adjective that refers to an object, concept, or idea with an objective, which is considered important, reliable, or true based on its own logical arguments, observations, or experiments. Definition: Theoretical ideas are those which have been deduced from the available data and information. They are taken as truths for their own sake and not for their own benefit but rather to be believed by a group of people in general. In other words, they are objective truths that can be understood only on the basis of historical experience or logical reasoning. For example: 1. Theoretical views: These ideas have been deduced from the available data, which include empirical observations and information about the world around us. 2. Scientific theories: These are the theoretical concepts and ideas that are considered fundamental in fields such as physics, chemistry, biology, economics, philosophy, and sociology. So in summary, 'Theoretical' refers to an object or idea with objective, reliable, true claims based on logical arguments, observations, or experiments.