What are the opposite words for dis-semination?

Antonyms for the word "dissemination" include concealment, suppression, withholding, retraction, and retention. Concealment refers to the act of keeping something hidden, while suppression involves preventing the release or spread of information. Withholding is the opposite of dissemination, as it involves holding back information or not sharing it. Retraction is the act of taking back or withdrawing information that has already been shared. Finally, retention involves keeping information within a select group or individual rather than making it widely available. These antonyms demonstrate the importance of transparency and open communication in disseminating information to the public.