Synonyms of helpful

1 Syllable
kind, t
2 Syllables
ducky, nicest, duckier, crucial, caring, friendlier, timeous, nicer, thoughtful, invig, healthier, friendly, healthiest, friendliest, selfless
3 Syllables
unstinting, important, cultural, usable, pragmatic, timely, effectual, goodhearted, expedient, marshmallow, practical, valuable, neighborly, symbiotic, improving, convenient, essential, humane, generous, benefic, healthsome, hardwearing, inerrant, great-hearted, unselfish, suitable, bettering, self-denying, useful
4 Syllables
openhanded, productive, infallible, bodybuilding, conducive, favorable, instrumental, simpatico, serviceable, advantageous, good-natured, assistive, benevolent, well-disposed, sympathetic, beneficent, philanthropic, supportive, consumable, inerrable, profitable, all-purpose, apodictic, beneficial, opportune, promotive, wholesome, fortunate, charitable, accessible, significant, invaluable, curative, applicable, medicable, promiseful, efficacious, copacetic, constructive, disciplining, body-building, disease-free, instructive, largehearted, open-handed, self-forgetful, self-forgetting
5 Syllables
utilizable, accommodating, contributive, operative, considerate, cooperative, undeceivable, utilitarian, mitigative, philanthropical, public-spirited, energy-giving, liberalizing, serendipitous, self-sacrificing
6 Syllables
regenerative