adj. 25B6; adjective VALUABLE, useful, of use, of service, beneficial, rewarding, advantageous, positive, helpful, profitable, gainful, fruitful, productive, constructive, effective, effectual, meaningful, worthy.
WORTHWHILE
Meaning of WORTHWHILE in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012