Definify.com

Definition 2024

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 0937120006, 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.