Expeditiousness
The Century Dictionary and Cyclopedia
noun.
The quality of being expeditious; quickness; expedition.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
The state of being
expeditious
;
celerity
,
rapidity
or
speed
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
the property of being prompt and efficient