worthwhile

worthwhile
worth‧while /ˌwɜːθˈwaɪl◂ $ ˌwɜːrθ-/ adjectiveif something is worthwhile, it is important or useful, or you gain something from it:
    He wanted to do a worthwhile job.
    We decided to give the money to a worthwhile cause (=one that helps people).
    it is worthwhile to do something
    I thought it was worthwhile to clarify the matter.
    it is worthwhile doing something
    It wasn’t worthwhile continuing with the project.
     

THESAURUS

   ▪ useful something that is useful makes it easier for you to do something: He gave me some useful advice. | a useful thing to know
   ▪ handy informal useful – used especially about something that is convenient and easy to use: a handy little booklet | The book is full of handy hints. | I always keep old jars – you never know when they might come in handy (=be useful).
   ▪ helpful useful because it helps you to do something: This drug can be helpful in treating depression. | helpful advice | helpful suggestions
   ▪ of use [not before noun] if someone or something is of use, they are useful for you when you are doing something: I hope you’ll find the book of use. | He wants to be of use.
   ▪ worthwhile if doing something is worthwhile, it is useful for you and you benefit from doing it: The training was certainly worthwhile. | a worthwhile experience | It is worthwhile to start by asking ourselves why people get involved in crime.