When it comes to synonyms for the word "nourisher," there are quite a few options to consider. Among the most commonly used words include "feeder," "provider," "sustainer," "supporter," and "caretaker." These words all convey the idea of something or someone that is responsible for providing sustenance or support to something or someone else. Other possible synonyms include "nurturer," "enabler," "protector," "replenisher," and "revitalizer." Overall, the word "nourisher" can be seen as encompassing a wide range of meanings, depending on the context and the specific connotations associated with the chosen synonym.