Anodyne celebration is a phrase that refers to a celebratory event that is intended to be soothing and without controversy. Synonyms for anodyne celebration might include "mild commemoration," "gentle festival," or "calm observance." These phrases suggest that the event in question is intended to be peaceful and pleasant, without any overtly negative emotions or divisive topics. Other potential synonyms for anodyne celebration might include "serene gathering," "tranquil festivity," or "peaceful ceremony." All of these phrases convey the idea of a celebratory event that is meant to be unifying and enjoyable for all participants, without any elements of tension or conflict.