useful
adjective
1. being of use or service
- the girl felt motherly and useful
- a useful job
- a useful member of society
Similar word(s): effective, effectual, efficacious, expedient, helpful, profitable, serviceable, handy, multipurpose, reclaimable, recyclable, reusable, serviceable, usable, useable, utilitarian, utilizable, utile
2. having a useful function
Similar word(s): functional, utilitarian