proact

As a verb proact

is to take action in advance of an expected event.

As an adjective undefined is

lacking a definition or value.

As verbs the difference between proact and prevent

is that proact is to take action in advance of an expected event while prevent is to stop; to keep (from happening).

As verbs the difference between prepare and proact

is that prepare is while proact is to take action in advance of an expected event.

As verbs the difference between preact and proact

is that preact is to act or perform beforehand while proact is to take action in advance of an expected event.

As a noun taxonomy

is the science or the technique used to make a classification.

As a verb proact is

to take action in advance of an expected event.

Proactor is a derived term of proact.

As a verb proact is

to take action in advance of an expected event.

Proactivity is a related term of proact.

As a noun proactivity

is proactiveness.

As a verb proact is

to take action in advance of an expected event.

Anticipate is a synonym of proact.

As verbs the difference between anticipate and proact

is that anticipate is to act before (someone), especially to prevent an action while proact is to take action in advance of an expected event.

Feedforward is a synonym of proact.

As verbs the difference between proact and feedforward

is that proact is to take action in advance of an expected event while feedforward is to respond in advance.

As a noun feedforward is

an anticipatory response to expected changes in the environment of a system.