What is the meaning of largeness?

noun

• The capacity to understand a broad range of topics.
  • usage: "a teacher must have a breadth of knowledge of the subject"; "a man distinguished by the largeness and scope of his views"
  • synonyms: breadth, comprehensiveness
• Large or extensive in breadth or importance or comprehensiveness.
  • usage: "the might have repercussions of unimaginable largeness"; "the very extensiveness of his power was a temptation to abuse it"
  • synonyms: extensiveness
• The property of having a relatively great size.
  • synonyms: bigness
• The quality of being pretentious (behaving or speaking in such a manner as to create a false appearance of great importance or worth. ).
  • synonyms: pretentiousness, pretension