Hypertext Webster Gateway: "usefully"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Usefully \Use"ful*ly\, adv.
In a useful manner.
From WordNet (r) 1.7 (wn)
usefully
adv : in a useful manner; "extra money could be usefully spent on
this project" [ant: {uselessly}]
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.