proactive

The adjective proactive can describe a person who gets things done. If you are proactive, you make things happen, instead of waiting for them to happen to you.

Active means "doing something." The prefix pro- means "before." So if you are proactive, you are ready before something happens. The opposite is being reactive, or waiting for things to unfold before responding. Think about winter cold season. A proactive person washes his hands and takes vitamins; a reactive person gets sick and takes cold medicine.

Definitions of proactive
  1. adjective
    (of a policy or person or action) controlling a situation by causing something to happen rather than waiting to respond to it after it happens
    Synonyms:
    active
    disposed to take action or effectuate change
  2. adjective
    descriptive of any event or stimulus or process that has an effect on events or stimuli or processes that occur subsequently
    proactive inhibition”
    proactive interference”
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    Antonyms:
    retroactive
    descriptive of any event or stimulus or process that has an effect on the effects of events or stimuli or process that occurred previously
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