Sunderings refer to a separation or breaking apart of things that were once united. Antonyms for sunderings would, therefore, be words that denote bringing things together or uniting them. Synonyms for such antonyms would include integration, fusion, merging, assemblage, consolidation, connection, and reunion. These words indicate the formation of stronger bonds and the creation of a more cohesive whole. In contrast, sunderings signify disunity, fragmentation, discord, and disharmony. The opposite of sunderings would be something that promotes peace, harmony, and cooperation, and these are the characteristics associated with its antonyms.