- allowing that
- although
- as if
- as though
- assuming that
- assumption
- axiom
- conjecture
- guesswork
- hypothesis
- if
- inference
- postulate
- postulation
- postulatum
- premise
- presumption
- presupposal
- presupposition
- proposition
- set of postulates
- supposal
- supposing that
- supposition
- surmise
- thesis
- though
- working hypothesis

- assumption
- axiom
- conjecture
- guesswork
- hypothesis
- inference
- postulate
- premise
- presumption
- presupposition
- proposition
- supposition
- surmise
- thesis
- though

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