pro- + act. Probable back-formation from proactive.
proact (third-person singular simple present proacts, present participle proacting, simple past and past participle proacted)
- To take action in advance of an expected event
1979, Ichak Adizes, How to Solve the Mismanagement Crisis, ↑ISBN, page 88:
- An (E)-style manager, on the other hand, will proact. He will try to imagine where the ball is going to land and go there and get ready to hit it.