prognosticate

As a noun prescience

is knowledge of events before they take place; foresight; foreknowledge.

As a verb prognosticate is

to predict or forecast, especially through the application of skill.

In lang=en terms the difference between prognosticate and forehold

is that prognosticate is to presage, betoken while forehold is to hold or believe beforehand; assume; anticipate; predict; presage; prognosticate.

As verbs the difference between prognosticate and forehold

is that prognosticate is to predict or forecast, especially through the application of skill while forehold is to hold or believe beforehand; assume; anticipate; predict; presage; prognosticate.

As a noun forehold is

(nautical) the front or forward part of the hold of a ship.

As verbs the difference between prognosticate and forethink

is that prognosticate is to predict or forecast, especially through the application of skill while forethink is (rare) to plan (something) in advance; think, consider, or contrive beforehand; prognosticate.

As verbs the difference between prognosticate and foretoken

is that prognosticate is to predict or forecast, especially through the application of skill while foretoken is to betoken beforehand; prognosticate; foreshadow; give warning; presage.

As a noun foretoken is

a prognostic; a premonitory sign; warning or presentment.