largeness

the capacity to understand a broad range of topics; "a teacher must have a breadth of knowledge of the subject"; "a man distinguished by the largeness and scope of his views"

large or extensive in breadth or importance or comprehensiveness; "the might have repercussions of unimaginable largeness"; "the very extensiveness of his power was a temptation to abuse it"

the property of having a relatively great size

the quality of being pretentious (behaving or speaking in such a manner as to create a false appearance of great importance or worth)