n. The state or character of being serviceable; usefulness in promoting good of any kind; beneficialness.
n. Helpfulness; readiness to do service.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the quality of being able to provide good service
Word Usage
"We are not intent on them as such, nor do we take any one of them seriously as a whole, in its essence; we are only interested in them according to their serviceableness for our purpose."