Worthwhile
ahd-5
adjective.
Sufficiently valuable or important to be worth one's time, effort, or interest.
Wiktionary, Creative Commons Attribution/Share-Alike License
adjective.
Good and
important
enough to
spend
time,
effort
, or
money
on.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
sufficiently valuable to justify the investment of time or interest