Definitions for obviousness
Random House Webster's College Dictionary
ob•vi•ous*ˈɒb vi əs(adj.)
easily seen, recognized, or understood; open to view or knowledge; evident.
lacking in subtlety.
Obs. being or standing in the way.
* Syn: See apparent.
Origin of obvious:
1580–90; < L obvius in the way =ob-ob-+-vius, adj. der. of via way
obviousness, noticeability, noticeableness, patency(noun)
the property of being easy to see and understand
The characteristic of being obvious.