adjective
1.
Synonyms: practical 2, functional, handy, practicable, serviceable, utile
2.
Synonyms: good 1, advantageous, benefic, beneficial, brave, favorable, favoring, helpful, propitious, toward
Antonyms: useless
3.
Synonyms: good 2, appropriate, convenient, fit, meet, proper, suitable
Antonyms: useless