guesswork (n.)
- apocalypse
- assumption
- axiom
- conjecture
- foreboding
- forecast
- forecasting
- foresight
- foretelling
- hypothesis
- improbability
- inference
- omen
- postulate
- postulation
- prediction
- prefiguration
- premise
- presage
- presentiment
- presumption
- presupposition
- probability
- prognosis
- prognostication
- promise
- prophecy
- proposition
- prospectus
- speculation
- supposal
- supposition
- surmise
- thesis
- vaticination
