1. [ noun ] (psychology) a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumstances to explain a set of phenomena

"theories can incorporate facts and laws and tested hypotheses"

Related terms: explanation content economic_theory reductionism holism field_theory scientific_theory structuralism structuralism preformation blastogenesis atomic_theory hypothesis law
2. [ noun ] a tentative theory about the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena
Synonyms: possibility hypothesis

"a scientific hypothesis that survives experimental testing becomes a scientific theory"

Related terms: concept model assumption speculation speculate
3. [ noun ] a belief that can guide behavior

"the architect has a theory that more is less" "they killed him on the theory that dead men tell no tales"

Related terms: belief patchwork speculate
Similar spelling:   Thor