/ ˌprəʊˈæktɪv; NAmE ˌproʊ-/ adjective
( of a person or policy ) controlling a situation by making things happen rather than waiting for things to happen and then reacting to them
—compare reactive
► pro·active·ly adverb
••
WORD ORIGIN
1930s: from pro- (denoting earlier occurrence), on the pattern of reactive .