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1. The capacity to understand a broad range of topics
   "a man distinguished by the largeness and scope of his views";
   - breadth, comprehensiveness
    
2. Large or extensive in breadth or importance or comprehensiveness
   "the might have repercussions of unimaginable largeness";
   - extensiveness
    
3. The property of having a relatively great size
   - bigness
    
4. The quality of being pretentious (behaving or speaking in such a manner as to create a false appearance of great importance or worth)
   - pretentiousness, pretension

Type of: intelligence, magnitude, size, unnaturalness

Antonym: littleness

Encyclopedia: Largeness