Synonyms and Antonyms of theory

  1. an idea that is the starting point for making a case or conducting an investigation <set out to prove her theory that people can't really taste any difference between colas, so they buy according to the product's image> Synonyms hypothesis, proposition, supposition, thesis Related Words assumption, concession, premise (also premiss), presumption, presupposition, theorem; conjecture, generalization, guess, guesswork, inference, speculation, surmise; proffer, proposal, suggestion; feeling, hunch, impression, inkling, notion, suspicion; abstraction, concept, conception, construct Near Antonyms assurance, certainty, fact, knowledge

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