largeness

noun

1
the quality of being pretentious (behaving or speaking in such a manner as to create a false appearance of great importance or worth)
2
the property of having a relatively great size
3
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
4
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

Also useful for “largeness”:Unscrambler— Rearrange the letters in “largeness”