Synonyms for Nurse (same or very similar meaning)
WordNet sense 1 (a woman who is the custodian of children):
nanny, nursemaidWordNet sense 2 (maintain (a theory, thoughts, or feelings)):
entertain, harbor, hold, harbourWordNet sense 3 (give suck to):
lactate, suck, suckle, bottle-feed, breastfeed, wet-nurse, give suckFrom the ODE community, based on WordNetadd/edit