Open English Wordnet
Nouns
(n)breadth, comprehensiveness, largenessthe 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”
(n)largeness, extensivenesslarge or extensive in breadth or importance or comprehensiveness“they might have repercussions of unimaginable largeness”, “the very extensiveness of his power was a temptation to abuse it”
(n)pretentiousness, pretension, largenessthe quality of being pretentious (behaving or speaking in such a manner as to create a false appearance of great importance or worth)