Oratories are defined as places of worship or prayer, typically small and secluded. There are several synonyms for the word that can be used interchangeably in various contexts, including chapels, sanctuaries, shrines, temples, and altars. Chapels are small churches typically used for private worship. Sanctuaries, on the other hand, are sacred places used for religious worship and provide a shelter from danger or distress. Shrines are places where people venerate relics or worship holy figures. Temples are buildings designed for religious purposes and are used for public worship. Lastly, altars are raised structures or tables used for offering sacrifices and performing ceremonial acts. In conclusion, these synonyms all denote a place of worship, each with slightly different nuances, connotations, and historical contexts.