Valuable, Useful, Of use, Of service, Beneficial, Rewarding, Advantageous, Positive, Helpful, Profitable, Gainful, Fruitful, Productive, Lucrative, Constructive, Effective, Effectual, Meaningful, Worthy
English Meaning :
(Adjective : Sufficiently valuable to justify the investment of time or interest)
Example : The best way to cut truancy rates is to make school worthwhile for all pupils.
Word Example from TV Shows :
You don't think it's WORTHWHILE to get
more women in science?
(The Big Bang Theory Season 6, Episode 18)