usefulness
noun
[ ˈjuːsf(ʊ)lnəs ]
• the quality or fact of being useful.
• "faults that affect the book's usefulness"
Similar:
functionality,
practicality,
serviceability,
fitness,
adequacy,
handiness,
neatness,
convenience,
utility,
use,
effectiveness,
efficacy,
value,
worth,
merit,
success,
benefits,
advantages,
helpfulness,
good,
avail,
help,
assistance,
niftiness,