Verb

(en verb)

To take action in advance of an expected event

* {{quote-book, 1979, Ichak Adizes, How to Solve the Mismanagement Crisis citation

, passage=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. }}

Verb

(en verb)

To act or perform a second time; to do over again; to reenact.

to react''' a play; the same scenes were '''reacted at Rome

To return an impulse or impression; to resist the action of another body by an opposite force; as, every body reacts on the body that impels it from its natural state.

To act upon each other; to exercise a reciprocal or a reverse effect, as two or more chemical agents; to act in opposition.