the GNU version of the Collaborative International Dictionary of English
n. the power to be effective.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. power to be effective; the quality of being able to bring about an effect
Word Usage
"However one distributes the causes, they combine to engender an atmosphere in which the state draws to itself allegiance, iconic sanctity, and effectuality that properly pertain only to the Lord."