hypothesis
Definitions
A proposed explanation for a phenomenon, made as a starting point for further investigation.
A tentative assumption made in order to draw out and test its logical or empirical consequences.
Examples
The scientist formulated a new hypothesis to explain the unexpected results of the experiment.
We need to gather more data before we can confirm or reject our initial hypothesis.
His working hypothesis was that the increase in temperature would accelerate the chemical reaction.
Synonyms
theory supposition conjecture premise postulate assumption speculation
Antonyms
fact certainty proof truth reality verification demonstration