Synonyms of serviceable

2 Syllables
handy, helpful, aiding, doable, brancher
3 Syllables
hard-wearing, durable, usable, practical, efficient, valuable, convenient, functional, worthwhile, effectual, useful, employable, utile
4 Syllables
assistive, operable, efficacious, consumable, performable, practicable, invaluable, profitable, available, all-purpose, self-sustaining, dependable, effective, tributory, beneficial, subsidiary, instrumental, advantageous
5 Syllables
utilitarian, utilizable, operational, operative