speculation

As nouns the difference between prediction and speculation

is that prediction is a statement of what will happen in the future while speculation is the process of thinking or meditating on a subject.

As nouns the difference between speculation and estimation

is that speculation is the process of thinking or meditating on a subject while estimation is the process of making an estimate.

Speculation is a related term of synopsis.

As nouns the difference between speculation and synopsis

is that speculation is speculation while synopsis is synopsis.

In obsolete terms the difference between opinion and speculation

is that opinion is obstinacy in holding to one's belief or impression; opiniativeness; conceitedness while speculation is power of sight.

As nouns the difference between opinion and speculation

is that opinion is a belief that a person has formed about a topic or issue while speculation is the process of thinking or meditating on a subject.

As a verb opinion

is to have or express as an opinion.

Idea is a related term of speculation.

As nouns the difference between idea and speculation

is that idea is (philosophy) an abstract archetype of a given thing, compared to which real-life examples are seen as imperfect approximations; pure essence, as opposed to actual examples while speculation is speculation.

Speculation is a related term of digest.

As nouns the difference between speculation and digest

is that speculation is speculation while digest is that which is digested; especially, that which is worked over, classified, and arranged under proper heads or titles.

As a verb digest is

to distribute or arrange methodically; to work over and classify; to reduce to portions for ready use or application.

Speculation is a related term of think.

As nouns the difference between speculation and think

is that speculation is speculation while think is an act of thinking; consideration (of something).

As a verb think is

(label) to ponder, to go over in one's head or think can be (label) to seem, to appear.

Guesswork is a related term of speculation.

As nouns the difference between guesswork and speculation

is that guesswork is an estimate, judgment or opinion made by guessing, from limited information while speculation is speculation.

As a noun speculation is

speculation.

As nouns the difference between speculation and inference

is that speculation is the process of thinking or meditating on a subject while inference is the act or process of inferring by deduction or induction.