forewarn

As a verb forewarn

is to warn in advance.

As an adjective undefined is

lacking a definition or value.

Predict is a related term of forewarn.

As verbs the difference between predict and forewarn

is that predict is to make a prediction: to forecast, foretell, or estimate a future event on the basis of knowledge and reasoning; to prophesy a future event on the basis of mystical knowledge or power while forewarn is to warn in advance.

As a noun predict

is (obsolete) a prediction.

As a verb forewarn

is to warn in advance.

As a noun taxonomy is

the science or the technique used to make a classification.

As verbs the difference between forewarn and foresee

is that forewarn is to warn in advance while foresee is to anticipate; to predict.

As a verb forewarn

is to warn in advance.

As a noun augury is

a divination based on the appearance and behaviour of animals.

Betoken is a related term of forewarn.

As verbs the difference between betoken and forewarn

is that betoken is signify by some visible object; show by signs or tokens while forewarn is to warn in advance.

As verbs the difference between forego and forewarn

is that forego is to precede, to go before or forego can be ; to abandon, to relinquish while forewarn is to warn in advance.

As verbs the difference between forewarn and prognosticate

is that forewarn is to warn in advance while prognosticate is to predict or forecast, especially through the application of skill.

Augur is a synonym of forewarn.

As a noun augur

is augur (diviner who foretells events by the behaviour of birds), especially in the context of ancient rome.

As a verb forewarn is

to warn in advance.

Presage is a related term of forewarn.

As verbs the difference between presage and forewarn

is that presage is while forewarn is to warn in advance.