Use 'panoply' to describe a diverse and striking collection of items or concepts. Her essay included a panoply of arguments supporting equal rights.
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Not Just Size
'Panoply' implies not just quantity but also splendor and richness in the items. The gala featured a panoply of gourmet dishes.
Pro Tip 3/3
Positive Connotation
'Panoply' often has a positive connotation, suggesting the collection is admirable or valuable. The festival offered a panoply of cultural performances.