Salubriousnesses is a rather uncommon word that refers to the quality or state of being healthy or promoting well-being. Some synonyms for this term include healthiness, wholesomeness, vitality, soundness, robustness, and fitness. All of these words suggest the idea of a positive and life-promoting condition that is free from sickness, disease, or other negative factors. Other related terms that could be used in place of salubriousnesses include wellness, well-being, vitality, strength, energy, and vigor. Ultimately, these words all convey the idea of a body, mind, or environment that is strong, vibrant, and conducive to health and happiness.