"ANN CONF AUSTRALAS INST MET" seems to be an abbreviation or a combination of words, rather than a single word. Therefore, finding synonyms for it might be challenging without understanding its meaning or context. It could possibly refer to an event or conference related to meteorology or a professional institute in Australasia. To find synonyms, it is important to clarify the intended meaning or provide more information about the abbreviation. This will help in identifying relevant synonyms or alternative phrases that accurately convey the same message.