Synonyms: theory, possibility, hypothesis
Definition: a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena
Usage: a scientific hypothesis that survives experimental testing becomes a scientific theory; he proposed a fresh theory of alkalis that later was accepted in chemical practices
Similar words: concept, conception, construct
Definition: an abstract or general idea inferred or derived from specific instances
Synonyms: supposition, surmisal, surmise, hypothesis, guess, speculation, conjecture
Definition: a message expressing an opinion based on incomplete evidence
Definition: a message expressing a belief about something; the expression of a belief that is held with confidence but not substantiated by positive knowledge or proof
Usage: his opinions appeared frequently on the editorial page
Synonyms: hypothesis
Definition: a proposal intended to explain certain facts or observations
Similar words: proposal
Definition: something proposed (such as a plan or assumption)