Synonyms of beneficial

1 Syllable

piest, good, fit

2 Syllables

lucky, kindly, gainful, helpful, dexter, well-spent, luckiest, friendlier, worthy, healthful, invig, fittest, fitter, healthier, friendly, healthiest, friendliest, benign, toward, fruitful, luckier, kindlier

3 Syllables

health-giving, benefic, expedient, cultural, nourishing, healthsome, usable, hardwearing, salubrious, propitious, favoring, valuable, convenient, worthwhile, feasible, nutritious, useful

4 Syllables

nutrimental, wholesome, assistive, nutritional, nutritive, alimental, medicable, productive, promiseful, consumable, constructive, profitable, body-building, disciplining, disease-free, bodybuilding, analeptic, therapeutic, curative, self-sustaining, salutary, favorable, serviceable, advantageous

5 Syllables

mitigative, multipurpose, energy-giving, liberalizing, utilizable, serendipitous

6 Syllables

alimentative, ameliorative, regenerative, remunerative