from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Acting in advance to deal with an expected difficulty; anticipatory: proactive steps to prevent terrorism.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Acting in advance to deal with an expected change or difficulty
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. (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
- adj. descriptive of any event or stimulus or process that has an effect on events or stimuli or processes that occur subsequently
pro- + active; originally coined 1933 by Paul Whiteley and Gerald Blankfort in a psychology paper, used in technical sense. Used in a popular context and sense (courage, perseverance) in 1946 book Man’s Search for Meaning by neuropsychiatrist Viktor Emil Frankl, in the context of dealing with the Holocaust, as contrast with reactive. (Wiktionary)