The definition of theoretical is something that is based on an assumption or opinion.
The definition of speculative is based off of thoughts not evidence.
Having been demonstrated or verified without doubt:
Free of pretense, falsehood, or affectation:
Corresponding to reality; true.
Of, relating to, or involving inference.
(Usage Problem) Presumptuous:
Regarded as true, genuine, etc., without actual knowledge
Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
Presumed to be true, real, or genuine, especially on inconclusive grounds
Substituted with intent to deceive or defraud; spurious; counterfeit
Find another word for conjectural. In this page you can discover 25 synonyms, antonyms, idiomatic expressions, and related words for conjectural, like: assumed, theoretical, unresolved, speculative, hypothetical, uncertain, proven, real, certain, factual and truthful.