The act, process, or result of dreaming; dreams collectively or the content of dreams.
From dream + -age (suffix forming abstract nouns or collections, from Old French -age). The -age suffix typically denotes actions, processes, or groupings.
The -age suffix is prolific in English (baggage, storage, marriage, percentage)—it often creates nouns for processes or collections, so 'dreamage' theoretically means 'the collection of dreams' or 'the act of dreaming,' though it's now archaic.
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