Sentence:  The waters of these springs have long been justly celebrated for their medicinal and exhilarating qualities; and a vast number from all parts of the United States, and even from foreign countries, resort to them, either for health, or to join the gay and fashionable throng who hold an annual festival around these <WSD>hygeian</WSD> fountains.Webster 1913 
Meaning of the word marked with <WSD> tags:  Relating to health or its preservation; hygienic.