Definition of Theory:

  1. A supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.

  2. A set of assumptions, propositions, or accepted facts that attempts to provide a plausible or rational explanation of cause-and-effect (causal) relationships among a group of observed phenomenon. The words origin (from the Greek thorós, a spectator), stresses the fact that all theories are mental models of the perceived reality.

Synonyms of Theory

Apprehension, Assumption, Attitude, Base, Basis, Body of theory, Climate of opinion, Common belief, Community sentiment, Conceit, Concept, Conception, Conclusion, Conjecture, Consensus gentium, Consideration, Estimate, Estimation, Ethos, Explanation, Eye, Fancy, Feeling, General belief, Grounds, Guess, Guesswork, Harmonics, Harmony, Hunch, Hypothesis, Idea, Image, Imago, Impression, Intellectual object, Judgment, Lights, Melodics, Memory-trace, Mental image, Mental impression, Mind, Music, Music theory, Musicality, Musicography, Musicology, Mystique, Notion, Observation, Opinion, Perception, Perhaps, Personal judgment, Point of view, Popular belief, Position, Posture, Premise, Presentiment, Presumption, Prevailing belief, Public belief, Public opinion, Reaction, Recept, Reflection, Representation, Rhythmics, Sentiment, Sight, Speculation, Stance, Supposal, Suppose, Supposition, Surmise, Suspicion, Tentative explanation, Theoretical structure, There, Thinking, Thither, Thitherward, Thought, Understanding, Unified theory, View, Way of thinking, Yon, Yonder, Hypothesis, Thesis, Conjecture, Supposition, Speculation, Postulation, Postulate, Proposition, Premise, Surmise, Assumption, Presumption, Presupposition, Notion, Guess, Hunch, Feeling, Suspicion

How to use Theory in a sentence?

  1. One theory for the recent decline of our stock price is that the price of steel is expected to decline significantly next month, but if you ask me, it is more likely due to an overall reduction in consumer optimism.
  2. Darwins theory of evolution.
  3. There is a quantum theory by Schrodinger that demonstrates how things can operate differently when we observe it and when they are not visible.
  4. I heard a theory that beauty marks on your skin are actually wounds from your past lives, that each mark stands for the part of your body where you were injured, ill, or killed in a previous life.

Meaning of Theory & Theory Definition