Retransmissions are a process of transmitting, rebroadcasting or reissuing a signal or message. Synonyms for this word could include resends, reissues, rebroadcasts, re-transfers, or even retransmits. Depending on the context, reiteration is also a potential alternative, which refers to the repetitive reiteration of something. In the field of technology, the word 'replays' might also be used, while in the context of radio and television broadcasting, 'rebroadcasts' or 'reruns' could be more appropriate. Ultimately, all of these synonyms describe a repeat of the same message, signal or transmission, which can be crucial in ensuring that everyone receives it.